JN0-104 Online Training Archives

Exam4Training can help you pass Juniper certification JN0-104 exam and can also help you in the future about your work. Although there are many ways to help you achieve your purpose, selecting Exam4Training Juniper JN0-104 Junos, Associate (JNCIA-Junos) Online Training is your wisest choice. Having Exam4Training can make you spend shorter time less money and with greater confidence to pass the Junos, Associate (JNCIA-Junos) exam, and we also provide you with a free one-year after-sales service.

Page 1 of 34

1. Which protocol is responsible for learning an IPv6 neighbor's IMAC address?

Neighbor Discovery Protocol (NDP)

Media Access Control Security (MACsec)

Address Resolution Protocol (ARP)

Network Address Translation (NAT)

2. Which layer of the OSI model does a router use to make forwarding decisions?

Layer 3

Layer 4

Layer 5

Layer 2

3. You are asked to configure filter-based forwarding

Which routing-instance type would you use?

VRF

virtual router

non-forwarding

forwarding

4. Click the Exhibit button.

Referring to the exhibit, if the router forwards traffic destined for 192.168.77.29, which next

hop will be used?

10.10.1.2

10.10.11.2

10.10.0.2

10.10.20.2

5. Which statement about the Junos OS forwarding table is correct?

The forwarding table consolidates routes from multiple sources.

The forwarding table is populated with active routes from the routing table

The forwarding table is responsible for identifying and selecting active routes.

The forwarding table is only stored on the Routing Engine.

6. Click the Exhibit button.

Which operational mode command in Junos OS produces the output shown in the exhibit?

show system users

show system connections

show system commit

show system reboot

7. Click the Exhibit button,

You are creating a new routing policy on your Junos device. You are currently receiving

multiple routes within the 10.10. 10.0/24 subnet from the same upstream BGP neighbor.

Your policy should only allow the 10.10. 10.0/24 route and reject all other routes within that

/24 range Referring to the exhibit, which route filter match type would satisfy this requirement?

exact

orlonger

prefix-length-range /24-/32

longer

8. Which step is required when performing a Junos software upgrade?

You must create a user account named maintenance-user.

You must reboot the device

You must load the factory default configuration

You must zeroize the device.

9. What will the request system configuration rescue save command accomplish?

It will generate support information for JTA

It will save a copy of the configuration so that you can go back to it at any time

It will prevent 2 commit from happening

It will restore your system to factory default settings.

10. Which two statements about login classes are correct? (Choose two.)

Users can be members of multiple login classes.

There are no system-defined login classes.

Page 2 of 34

11. Click the Exhibit button

You are capturing logs to troubleshoot an issue with IS-IS; however, the logs are increasing

in size too quickly.

Referring to the exhibit, which configuration statement would solve this problem?

set protocols isis traceoptions flag hello detail

set protocols isis traceoptions file files 10

delete protocols isis traceoptions flag normal

delete protocols isis traceoptions file is-is-logs.log

12. You must verify that interface ge-0/0/0.0 is administratively up and that the link is up.

In this scenario, which command will accomplish this task?

show configuration interfaces ge-0/0/0.0

show chassis fpc pic-status

show system information

show interfaces terse

13. Which two statements describe firewall filters? (Choose two.)

Firewall filters are applied to interfaces.

Firewall filters are applied to security policies

Firewall filters provide stateless security.

Firewall filters provide stateful security.

14. Which statement about the forwarding table is correct?

It contains all known routes including IPv6-

It is only available on the PFE

It is only available on the RE

It is available on both the RE and the PF

15. You want to temporarily apply a candidate configuration to the active configuration and

automatically roll back after 10 minutes

In this scenario, which command will accomplish this task?

commit at

commit confirmed

commit check

commit

16. Which command allows multiple users to edit a configuration while conning only their

unique changes?

configure exclusive

configure batch

configure private

configure dynamic

17. Which statement is true about using custom login class permissions?

If you allow and deny the same command, the command is allowed_

If you allow and deny the same command, the command is denied.

If you allow and deny the same command, Junos OS will randomly choose the action

If you allow and deny the same command, the Junos OS will fail the commit check.

18. You are creating a route filter that will match the network address of 192.168.64.0/24

In this scenario, which configuration statement will accomplish this task?

from route-filter 192.168.32.0/24 longer

from route-filter 152.168.128.0/24 orlonger

from route-filter 192.168.64.0/24 longer

from route-filter 192.168.64.0/24 orlonger

19. Click the Exhibit button.

-- Exhibit C

[email protected]> restart

^

unknown command.

-- Exhibit --

You are troubleshooting a routing issue on a device running Junos. You receive the error

shown in the exhibit when you attempt to restart the routing process.

Which statement describes the problem?

The routing process can only be restarted from configuration mode.

You do not have permission to restart the routing process.

The routing process must be restarted from the shell.

You have typed an invalid command.

20. Click the Exhibit button

Referring to the exhibit, what will be the source address for packets egressing et-0/0/34.07

10.20.0.1

10.30.0.1

10.10.0.1

10.40.0.1

Page 3 of 34

21. A user has entered the sequence of commands shown in the exhibit

At which level of the configuration hierarchy would the user be after typing the exit

command?

[edit]

[edit interfaces ge-0/0/0]

[edit interfaces ge-0/0/0 unit 01 ]

[edit interfaces]

22. What are two benefits of class of service (CoS)? (Choose two.)

CoS can increase the performance of a slow network.

CoS can manage traffic congestion

CoS can prioritize latency-sensitive traffic

CoS can increase network bandwidth.

23. Which two statements describe the RE on Junos OS devices? (Choose two.)

The RE is considered the control plane.

The RE forwards traffic based on its local copy of the forwarding table.

The RE provides hardware status messages for the PFE

The RE maintains the routing tables.

24. Which two statements about the configure exclusive command are correct? (Choose two.)

The command excludes other users from editing the configuration.

The command retains all uncommitted changes when exiting exclusive mode

The command causes the loss of all uncommitted changes when exiting exclusive mode

The command allows multiple users to edit private copies of the configuration concurrently.

25. You are asked to configure a Junos device to perform regular configuration backups

Which feature will you configure under the [edit system) hierarchy to accomplish this task?

archival

backup-router

syslog

tracing

26. Which two statements about routing policies are correct? (Choose two.)

An import policy is used to control incoming traffic on a specific interface.

An export policy determines the routes in the local routing table that are advertised to peers.

An import policy is used to control routes that are accepted by the local routing table.

An export policy is used to control outgoing traffic on a specific interface.

27. Click the Exhibit button

Referring to the exhibit, which two statements are correct? (Choose two.)

All other traffic from the Web destined to 172.19.20.50 is accepted.

All other traffic from the Web destined to 172.19.20.50 is discarded

The HTTP traffic destined to 172.19.20.50 is accepted.

The HTTP traffic from source 172.19.20.50 is accepted.

28. Which statement describes the ulst next-hop type that appears in the output of the show

route forwarding-table command?

A list of unicast or multicast forwarding entries waiting to be resolved.

A list of unicast destination prefixes for which packets will be silently discarded

A list of unicast next hops used for a given destination for which load balancing is enabled

A list of unicast or multicast destination prefixes for which packets will be silently discarded.

29. What are two characteristics of UDP? (Choose two.)

UDP is connection-oriented.

UDP packets are sent best-effort.

UDP is more reliable than TC

UDP operates at the transport layer.

30. What are two functions of the PFE? (Choose two.)

to maintain the forwarding tables

to apply the class of service function

to forward transit traffic

to monitor the chassis

Page 4 of 34

31. Which default login class should you select if you want the user to edit configuration files?

read-only

unauthorized

super-user

operator

32. Click the Exhibit button.

User 1 pings Router C to determine its status.

Which router shown in the exhibit, treats the traffic generated by the ping command as

exception traffic?

Router A

Router B

Router D

Router C

33. Which statement regarding transit traffic processing is correct?

Transit traffic is processed by both the control plane and forwarding plane.

Transit traffic is only processed by the control plane.

Transit traffic is only processed by the forwarding plane

Transit traffic is not processed by the local device.

34. What are two important steps when upgrading an SRX300 Series device? (Choose two.)

Verify that enough space exists to upload the software package.

Clear all alarms.

Reboot the device.

Verify that the NETCONF protocol is enabled.

35. Click the Exhibit button

Referring to the exhibit, which statement is correct?

Traffic destined to 10.10.102.0/30 will be forwarded to 10.10.101.1.

Traffic destined to 10.10.102.0/30 will be load-balanced across both next hops.

Traffic destined to 10.10.102.0/30 will be silently dropped.

Traffic destined to 10.10.102.0/30 will be forwarded to 10.10.4.2

36. Click the Exhibit button

Referring to the exhibit, you are unable to reach devices in the 172.19.25.0/28 subnet.

What should you do to solve this problem?

Enable the ge-0/0/2 interface.

Enable the ge-0/0/2.2 interface.

Enable the ge-0/0/2.0 interface.

Enable the ge-0/0/2.1 interface.

37. You just received a new factory-default Junos device.

Which two steps must be completed to connect and log in to the device? (Choose two.)

Connect to the device using an SSH connection.

Connect to the device using the console connection.

38. A user entered configuration mode and modified the candidate configuration.

In this scenario, what are two results? (Choose two.)

Other users cannot enter configuration mode.

Other users cannot enter configuration mode using the exclusive parameter

Other users cannot log into the device.

Other users cannot enter configuration mode using the private parameter.

39. Which command will replace the entire candidate configuration with the configuration

stored in the reset. config file?

load replace reset.config

load override reset.config

load merge reset.config

rollback 1

40. Which statement about the show chassis hardware Command is correct?

The command provides a list of installed hardware components, including serial numbers and model numbers.

The command provides a list of all current hardware utilization statistics and operational status

The command provides 2 list of supported hardware components and their current operating status

The command provides a list of supported hardware components and environmental thresholds.

Page 5 of 34

41. Click the Exhibit button.

You must apply the policy shown in the exhibit to readvertise BGP routes to OSPF neighbors

Which action will accomplish this task?

You must apply the policy as an import policy within the BGP configuration

You must apply the policy as an import policy within the OSPF configuration.

You must apply the policy as an export policy within the BGP configuration

You must apply the policy as an export policy within the OSPF configuration

42. Which two parameters are considered action modifiers in the firewall filters then statement?

(Choose two.)

next term

reject

policer

counter

43. Which two Juniper Networks products are available in virtual machine (VIM) format?

(Choose two.)

vSRX

vIDP

vPTX

vMx

44. Which command allows you to execute operational mode commands while in configuration

mode?

activate

show

run

set

45. 10.10.0/24 IP address.

Which action is required to accomplish this task?

Set the static route to no-readvertise.

Set the OSPF route preference to 4.

Set the static route preference to 0

Set the OSPF metric to 0

46. Which component is responsible for performing protocol updates and system

management?

forwarding tables

Routing Engine

bridging table

Packet Forwarding Engine

47. Click the Exhibit button

Referring to the exhibit, what will happen to traffic that is less than the bandwidth limit from

source address 1.0.0.207

The traffic will be discarded by the policer.

The traffic will be accepted by term 2.

The traffic will be discarded by term 1.

The traffic will be accepted by term 1.

48. Which three connection protocols allow you to gather operational information from the

Junos device? (Choose three.)

NETCONF

Telnet

XML

JSON

SSH

49. Click the Exhibit button.

The next hop identified in the static route command is not directly connected to your router.

Referring to the exhibit, what must be added to the command for the static route to work?

retain

resolve

readvertise

install

50. Click the Exhibit button

A packet destined to the 172.27. 102.65 IP address is received by the ge-0/0/1.0 interface

on your Junos device. The input firewall filter shown in the exhibit is applied to the ge-

0/0/1.0 interface.

Which two actions are performed in this scenario? (Choose two.)

The packet is logged

The packet is accepted

The packet is counted

The packet is discarded.

Page 6 of 34

51. Click the Exhibit button.

Referring to the exhibit, which statement is correct?

The device will attempt to authenticate using the local database if RADIUS and TACACS+ are unresponsive.

The device will never attempt to authenticate using the local database.

The device will attempt to authenticate using RADIUS and TACACS+ at the same time.

The device will randomly select the authentication method used for each new login attempt.

52. Which operational mode command will provide real-time usage statistics for the ge-0/0/0

interface?

show interfaces ge-0/0/0 extensive

monitor interface traffic

show interfaces statistics

monitor traffic interface ge-0/0/0

53. By default, which Junos directory contains the primary syslog file?

/var/syslog

/var/home

/var/log

/var/tmp

54. Click the Exhibit button

What is the next-hop interface for traffic destined to 172.19.52.101 as shown in the exhibit?

ge-0/0/3.0

ge-0/0/0.0

ge-0/0/2.0

ge-0/0/1.0

55. Which statement is true about a virtual router routing instance?

It can be used for Layer 3 VPN implementations.

It can be used to create a separate routing table.

An interface in the routing instance can also reside in the default routing instance.

It automatically has import and export policies applied.

56. Click the Exhibit button.

You have applied the policy shown in the exhibit as an import policy to your BGP group

In this scenario, what will happen when the router receives the 192.168.30.48/32 route?

It will be sent to the default BGP policy

It wall match term-1 and be accepted.

It wall match term-2 and be accepted

It will match term-2 and be rejected.

57. Click the Exhibit button

Which command will solve the problem shown in the exhibit?

[email protected]# request system configuration rescue commit

[email protected]> request system configuration rescue save

[email protected]# file copy current /config/rescue.conf

[email protected]> file copy current /config/rescue.conf

58. Which three benefits are made possible by the separation of the control plane and forwarding plane of a Junos device? (Choose three.)

nonstop active routing

in-service software upgrades

deep packet inspection

stateful firewall

graceful Routing Engine switchover

59. Which two statements about exception traffic processing are correct? (Choose two.)

When congestion occurs, only exception traffic is given preference.

By default, a rate-limiter for exception traffic exists on the internal link between the control plane and the forwarding plane

When congestion occurs, local and control traffic are given preference.

By default, no rate-limiter for exception traffic exists on the internal link between the control plane and the forwarding plane.

60. You are asked to determine when a Junos device was booted

Which command would you use to obtain this information?

show system statistics

show system commit

show system information

show system uptime

Page 7 of 34

61. A device receives a route update for network 172.19.0.0/16 from two different routing information sources.

In this scenario, which parameter will determine the active route?

the route learned from the next hop with the highest IP address

the route learned with the lowest default route preference

the route learned from the next hop with the lowest IP address

the route with the lowest metric

62. What information is provided by the show route forwarding-table command?

the routing table stored on the RE

the protocol from where the route was learned

the outgoing interface(s) associated with the destination prefixes

the number of routes that are active, hidden, or in a hold-down state

63. You must recover a device by loading the rescue configuration file.

In this scenario, which command will accomplish this task?

{master:0}[email protected]> load override rescue

{master:0}[email protected]> rollback rescue

{master:0} [edit] [email protected] load override rescue

{master:0} [edit] [email protected]# rollback rescue

64. Which address correctly represents a valid abbreviation for the 2bfc:0000:0000:0000:0217:0000:fe8c:5c85/128 IPv6 address?

2bfe::217:0:fe8c:5c85/128

2bfe:0:217:-fe8c:5c85/128

2bfe::0217::fe8e:5e85/128

2bfe:0:217:0:fe8e:5¢85/128

65. Click the Exhibit button

You are connecting to a new device in your network and are presented with the information

and prompt shown in the exhibit

Which three steps must be carried out to edit the configuration on this device? (Choose

three.)

Type configure at the > prompt.

Type cli at the = prompt

Type cli at the > prompt

66. Which command causes the Junos OS to temporarily activate a configuration?

commit and-quite

commit synchronize

commit check

commit confirmed

67. You must configure the 2bfc:0000:0000:beef:0217:cbff:0000:5c85 IPv6 address on your

device.In this scenario, which three addresses are correct? (Choose three.)

2bfc::beef:217:cbff:0:5c85

2bfc:0:0:beef:0217:cbff:0:5c85

2BFCnBEEF:0217:CBFF:0:5C85

2bfc:0:beef:0217:cbff:0:5c85

2BFC::BEEF:217:CBFF::5C85

68.

Which command produced the output shown in the exhibit?

Show interfaces summary

Show interfaces filters

Show interfaces extensive

Show interfaces terse

69. In which directory the traceoption files stored by default?

/var/db/

/var/tmp/

/var/log/

/var/home/

70. What are three functions of the RE? (Choose three.)

to maintain the forwarding tables

to enforce stateless firewall filters

to manage the PFE

to monitor the chassis

to implement policing

Page 8 of 34

71. Referring to the exhibit,

Which next-hop interface will be used to reach the 10.21.14.16 destination?

ge-0/0/1.0

ge-0/0/0.0

ge-0/0/3.0

ge-0/0/2.0

72. Exhibit:

Which statement is correct when traffic is received from 10.10.10.4?

The traffic is counted and accepted

The traffic is counted and rejected

The traffic is only rejected

The traffic is only accepted

73. The marketing team needs access to a server on subnet 172.0.46.0/24. The next- hop router is 10.0.4.2/30. A static route on their gateway has been configured to accomplish the task. You want to keep the static route from being redistributed into dynamic routing protocols.

Which command will satisfy this requirement?

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-resolve

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-redistribute

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no readvertise

74. What’s is the minimum system-defined user class required to issue clear commands?

read-only

operator

authorized

super-user

75. 180.192.120/28?

114.180.192.118/28

114.180.192.100/28

114.180.192.112/28

114.180.192.106/28

76. How many IP addresses can be configured on a given interface?

one primary and one secondary

one

as many as you want

one primary and multiple secondary

77. Which two statements describe a routing policy?

Active and inactive routes are available for export from the routing table.

A routing policy allows you to control the flow of information into the routing table.

Routing policy are used to choose which routes are sent to neighbors using dynamic routing Protocols

Attribute changes applied to export policies always affect the local routing table

78. What is the name of the volume containing the software and files used for the day-to day

operation of a device using Junos with upgraded FreeBSD?

/var

/active

/junos

/oam

79. What is the maximum number of configurations, by default, that are recoverable using the

rollback command?

100

80. When multiple users are editing the configuration on a Junos device, What is the default

behavior when a user issues a commit command?

The user’s configuration changes are committed, other users configuration changes are still pending

The user’s configuration changes are committed, other users will be exited from the configuration mode

All valid configuration changes made by all users will take effect

The user will receive an error message disallowing a commit of the configuration

Page 9 of 34

81. Which statement is correct regarding exception traffic on Junos devices?

The Junos OS does not provide congestion control for exception traffic sent to the R

The built-in rate limiter for exception traffic is configurable.

All exception traffic destined for the RE is sent over the out-of-band management link.

The Junos OS has a built-in rate limiter for exception traffic.

82. 16.100.1/24

83. What is the minimum system-defined user class required to issue clear commands?

read-only

super-user

operator

authorized

84. Which keystroke combination allows users to move the cursor to the beginning of the

command line without deleting text?

Ctrl + u

Ctrl + w

Ctrl + a

Ctrl + b

85. Which parameter would you use to prohibit the redistribution of a static route used for

management traffic?

no-readvertise

discard

reject

passive

86. Which two types of traffic are processed by the Routing Engine (RE)?

IP packet with the IP Options field

time-to-live (TTL) expired messages

ICMP destination unreachable messages

OSPF update messages

87. Click the Exhibit button.

Referring to the exhibit, which two statements are correct? (Choose two.)

The memory utilization is 28%

The memory utilization is 72%

The CPU kernel utilization is 1%

The 15 minute CPU load average is 99%

88. You have entered the command "show log messages | match "error | kernel | panic" which

statement is correct regarding the keywords error, kernel and panic in the output?

the output messages will contain all messages from the file except the ones that contain all three defined keywords.

the output messages will contain all messages from the file that contains all three defined Keywords

the output messages will contain all messages from the file that contains at least one of the three defined keywords

the output messages will contain all messages from the file except the ones that contains at least one of the three defined keywords

89. What statement is true about the orlonger route-filter match type?

All routes within the specified prefix that are longer than the given prefix are considered a match

All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer or equal to the given prefix are considered a match

All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match

90. Host A is communicating with Host B through a Layer 2 switch.

What is the highest layer that the switch will inspect the traffic in this scenario?

Data Link

Transport

Network

Session

Page 10 of 34

91. Referring to the exhibit, what will be the result?

The device will boot in single-user mode at the operational prompt.

The device will boot into single-user mode at the shell prompt.

The device will boot into multi-user mode at the shell prompt.

The device will boot in multi-user mode at the configuration prompt.

92. Which source of routing information is preferred by default?

static

RIP

direct

BGP

93. You are connected to your Junos device using an SSH connection to the fxp0 interface. No other interface are currently configured beyond their default setting. You commit a configuration that makes the fxp0 interface unreachable from your management network.

In this scenario, how would you re-establish communication with the device?

Unplug the network cable and plug it back in.

Power off and power on the device.

Establish an SSH connection to the loopback interface.

Connect to the console of the device.

94. Referring to the exhibit, which command will change the 172.16.10.1/24 IP address to 172.16.100.1/24 IP address?

copy interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24

set interfaces ge-0/0/2 unit 0 family inet address 172.16.100.1/24

rename interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24

insert interface ge-0/0/2 unit 0 family inet address 172.16.10.1/24 before address 172.16.100.1/24

95. Which two ping command parameters would be used to troubleshoot MTU issues? (Choose two.)

ping <destination> do-not-fragment

ping <destination> rapid

ping <destination> verbose

ping <destination> size

96. Which two statements are true about static routes in the Junos OS? (Choose Two)

Static routes remain in the routing table until you remove them or until they become inactive

Static routes are learned by neighboring devices and added to their routing tables

Static routes are defined at the [edit routing-instance] hierarchy

Static routes must have next hop defined

97. Referring to the Exhibit,

What information is provided about the route to 192.168.47.0/24? Choose Two

There is a single active route to 192.168.47.0/24

There are two next-hops available to 192.168.47.0/24

There is a single next-hop available to 192.168.47.0/24

There are two active route to 192.168.47.0/24

98. Which two statements describe the default behavior for OSPF? (Choose two)

OSPF imports all routes into the inet4.0 routing table.

OSPF exports all static routes into the OSPF database.

OSPF imports all routes into the inet.O routing table.

OSPF does not export static routes into the OSPF database.

99. Which command prompt indicates that you are in operational mode?

user @ router &

user @ router #

user @ router $

user @ router >

100. Referring to the exhibit,

what happens when ping packets are sent to management interface address of the local router?

The ping packets are silently discarded

An ICMP unreachable message is returned

The Ping packets are accepted

An ICMP redirect message is returned

Page 11 of 34

101. For the interface ge-1/2/3.4, what does "ge" represent?

SONET/SDH

Gigabit Ethernet

Aggregated Ethernet

GRE

102. What are three firewall filter terminating actions? (Choose three.)

discard

reject

log

drop

103. Which of the following protocols uses both TCP and UDP?

FTP

SMTP

Telnet

DNS

104. What is the default location of the syslog file on Junos devices?

/var/log/

/var/tmp/

/var/home/

/var/db/

105. Which three statements describe OSPF? (Choose three)

OSPF must operate between different autonomous system

OSPF calculates the best path to each destination

OSPF is a link-state IGP

OSPF uses areas to incorporate hierarchy and to allow for scalability

OSPF uses a distance-vector algorithm to calculate routing cost

106. Which two interfaces are considered physical interface? Choose TWO

Ge-0/0/0

Et-3/0/0:0.501

Et-7/1/4:0

Xe-10/2/1

107. Routing policies contain which two type of statements? (Choose two.)

and

from

default

then

108. What are three acceptable modifiers to a terminating action on a firewall filter? (Choose three.)

policer

count

log

discard

syslog

109. Routing policies contain which two types of statements? (Choose two.)

from

then

default

and

110. Exhibit:

Referring to the exhibit, which statement is true?

Traps are allowed from 10.21.15.180

Traps are sent to 10.21.15.180

Traps are sent to 10.21.15.16

Traps are allowed from 10.21.15.16

Page 12 of 34

111. What is a valid IPv6 address?

00:05:85:23:45:67

127.0.0.1

2001:0db8:3000:2215:0000:0000:aaaa:llll

49.0001.0192.0168.1001.00

112. What are three benefits of using a dynamic routing protocol? (Choose three.)

increased network security

decreased network latency

increased network availability

greater network scalability

lower administrative overhead

113. You are connected to your Junos device using an SSH connection to the txp0 interface. No other interfaces are currently configured and unreachable from your management network .

How would you reestablish communication with the device?

Establish a SSH connection to the loopback interface

Unplug the network cable and plug it back in

Power off and power on the device

Connect to the console of the device

114. Host A is communicating with Host B through a Layer 2 switch.

What is the highest layer that the switch will inspect the traffic in this scenario?

Data Link

Transport

Network

Session

115. Which command will completely turn off a Junos device?

request system halt

request chassis fpc offline

request system power-off

request system recover

116. Referring to the exhibit, what does the number inside the square brackets represent?

local preference

metric

protocol reference number

route preference

117. Which TWO of the following are private IP addresses?

12.0.0.1

168.172.19.39

172.20.14.36

172.33.194.30

192.168.24.43

118. Click the Exhibit button.

***Exhibit is Missing***

Referring to the exhibit, how many received packets are classified as exception traffic?

20814681

14442602

12417

27824

119. How would you change the display so the display so that 40 lines will be displayed in the terminal program when you are logged into a Junos device?

Issue the set cli screen-length 40 command from configuration mode.

Set the display options in your terminal program.

Issue the set cli screen-length 40 command from operational mode.

Set the windows size of your terminal program.

120. Which command allows you to view the raw packet data of interface ge-1/0/5?

monitor interface traffic ge-1/0/5

monitor traffic interface ge-1/0/5

show interface ge-1/0/5 media

show interface ge-1/0/5 extensive

Page 13 of 34

121. Which word starts a command to display the operational status of a Junos device?

put

set

show

get

122. Click the Exhibit button.

Referring to the exhibit, what happens to a packet that has a destination address of 172.17.0.1?

The packet is forwarded to the next hop defined in the default route.

The packet is silently discarded.

The packet is rejected and an ICMP network unreachable message is sent to the source address.

The packet is forwarded to the next hop of the management network.

123. Which command displays the output shown in the exhibit?

show chassis temperature-thresholds

show chassis environment

show chassis hardware

show chassis alarms

124. Click the Exhibit button.

Referring to the exhibit, which two statements are correct? (Choose two.)

The memory utilization is 28%

The memory utilization is 72%

The CPU kernel utilization is 1%

The 15 minute CPU load average is 99%

125. Which account is used to access a Junos device in a factory-default configuration?

root

admin

lab

juniper

126. Which two statements are correct about the inet.0 routing table? (choose two.)

It is used for populating the Ethernet switching table.

It stores information learned from routing protocols and other sources.

It is used for populating the forwarding table.

It is used for populating the forwarding policy.

127. What is the decimal equivalent of 00000100?

128. Which two statements are true about the default behavior of Junos routing policies? (Choose two.)

Routing policies can export active and inactive routes.

Routing policies can export only active routes.

Routing policies control the flow of routing information going to and from the routing table.

Routing policies control the flow of routing information going to and from the forwarding table.

129. Exhibit:

Which statement is true about the command shown in the exhibit?

There needs to be a ; after top for the command to be accepted as a valid command.

Only top should be used, no other options are allowed on the same line.

The command shown in the exhibit would be accepted as a valid command.

If you replace top with up command, it becomes valid.

130. Which two statements describe the connection between control plane and the forwarding plane? Choose Two

No rate limiter is configured by default

A rate limiter is configured by default

Exception traffic is preferred over the control traffic during congestion

Control traffic is preferred over the exception traffic during congestion

Page 14 of 34

131. Which command is used to load the rescue configuration?

load merge rescue

rollback rescue

rollback 0

load replace rescue

132. You have the policy configuration shown in the exhibit applied to a BGP peering. You determine that customer routes coming from the 10.1.1.0/24 network are being rejected

Which action should be used to correct the problem?

[edit policy-options policy-statement my-policy] [email protected]# copy term 2 to term 1

[edit policy-options policy-statement my-policy] [email protected]# rename term 1 to term 3

[edit policy-options policy-statement my-policy] [email protected]# copy term 2 to term 0

[edit policy-options policy-statement my-policy] [email protected]# insert term 2 before term 1

133. What are the contents of a scheduler?

A scheduler contains parameters that describe how a queue should be serviced.

A scheduler contains traffic that is ready to be transmitted.

A scheduler contains forwarding classes that allow traffic to be forwarded.

A scheduler contains a map between the classification of a packet and its forwarding class.

134. Which statement is correct regarding the configuration shown in the exhibit?

When the ospf-trace file has created five files, it will stop logging additional information.

When the ospf-trace file reaches the 64 kB file size, it is renamed and begins a new file

the ospf-trace file will automatically replace any any existing trace file with the same name

Timestamp information will not be included for each line of ospf-trace output

135. Which two commands would you use to reset the candidate configuration to the active configuration? (Choose two.)

rollback 0

rollback 2

rollback 1

rollback

136. Which of these commands can be used to gracefully shutdown the Junos OS?

request system reboot

request system halt

restart gracefully

request system logout

137. The monitor traffic command closely resembles which UNIX-based utility?

ps -x

passwd

ls -a-l

tcpdump

138. What information does the help topic command provide?

a brief description of commands and their default values

usage guidelines for a topic or configuration statement

router's version and serial number to help open a case with JTAC

a verification of the current configuration on the router

139. After logging in as a root user, which of these commands must be used to enter operational mode?

configure

enable

cli

edit

140. Which two features are implemented on the Packet Forwarding Engine? (Choose two.)

firewall filters

chassis management

class of service

routing protocol updates

Page 15 of 34

141. What represents the decimal equivalence of 10100101?

127

165

142. What represents the decimal equivalence 1100 00011111 11001001 11000101?

172.28.187.189

172.31.201.197

172.30.231.182

172.19.151.107

143. What are three valid software release designations for the junos OS? (Choose three.)

144. By default, which character indicates the UNIX shell prompt?

145. Which two statements are correct regarding the internal link between the control plane and forwarding plane? (Choose two.)

The internal link has a built-in rate limiter that is configurable.

The internal link rate limits exception traffic to protect the Routing Engine against denial-of-service attacks.

The internal link has a built-in rate limiter that is not configurable.

The internal link rate limits transient traffic to protect the Routing Engine against denial of service attacks.

146. Which command is used to replace a current configuration?

load replace

load patch

load override

load set

147. Which operational command displays the routing table?

show routing-table

route print

display routes

show route

148. Which of these are valid match criteria for a firewall filter applied to a Layer 3 interface? (Choose three)

Session ID

protocol

MAC address

port

IP address

149. Which of these commands can be used to view the active configuration?

[email protected]> show system commit

[email protected]> show system configuration

[email protected]# show

[email protected]> show configuration

150. Exhibit:

Referring to the exhibit, which command was issued to generate the output?

show chassis environment

show chassis routing-engine

show chassis fpc

show chassis hardware

Page 16 of 34

151. Which statement is correct about the validate option when upgrading JUNOS software with the request system software add command?

It will check the compatibility of the configuration with the install package.

It will check if the device meets the storage requirement for the install package.

It will check the MD5 checksum of the install package.

It will check if the device meets the memory requirements for the install package.

152. Which two statements are true regarding interface properties? (Choose two.)

MTU and speed must be configured under the logical unit.

Physical parameters such as MTU, duplex mode, and speed are configured under the interface name.

IPv4 and IPv6 addresses are configured under the logical unit.

DLCI numbers, VPI/VCI values, and VLAN tags are physical parameters.

153. What is a characteristic of route preference?

It is the same as a route metric.

It must be assigned manually for each protocol.

A higher preference is better than a lower preference.

A lower preference is better than a higher preference.

154. Consider the host IP Address is - 192.168.100.60 and the network mask is - 255.255.255.224 (or /27).

Which of the following address represents the correct network address for the referenced host?

192.168.100.0

192.168.100.32

192.168.100.48

192.168.100.16

155. What is the maximum number of configurations, by default, that are recoverable using the rollback command?

100

156. Which feature must you enable prior to performing a unified in-service software upgrade?

graceful Routing Engine switchover (GRES)

Virtual Router Redundancy Protocol (VRRP)

graceful restart

Network Time Protocol (NTP)

157. Which two of the following items does a scheduler map associate with each other? (Choose two.)

Scheduler

BA Classifier

Forwarding class

Rewrite rule

158. Which two statements are true regarding dynamic routing? (Choose two.)

Participating devices dynamically learn routing information from each other

Dynamic routing requires more administrative overhead than static routing

Dynamic routing allows a device to automatically reroute traffic around a failure

Dynamic routing is used when absolute control of routing parameters is necessary

159. Which statement is true about PFEs?

A PFE receives microcode updates from the RE

A PFE receives layer 4 forwarding table updates from the RE

A PFE receives hardware status messages from the RE

A PFE receives environmental status messages from the RE

160. What is minimum configuration required for a Junos device to respond to SNMP requests?

set snmp community public authorization read only

set snmp public version v2

set snmp community public

set snmp trap-group public version v1

Page 17 of 34

161. Which of these authentication methods are NOT supported by Junos? (Choose two)

RADIUS

local user database

CHAP

TACACS+

PAP

162. Which of these statements is true about logical units on Juniper Router interfaces?

A logical unit is always required.

Logical units are used only when a Layer 2 identifier is present such as VLA

Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.

A logical unit of 0 is required when using a frame-relay DLC

163. What are two functions of the PFE? (Choose two.)

to maintain the forwarding tables

to apply the class of service function

to forward transit traffic

to monitor the chassis

164. Which statement is true about the forwarding plane?

The forwarding plane is the intelligence of the platform.

The forwarding plane is based on an X86 architecture.

The forwarding plane maintains the routing tables, bridging table, and primary forwarding table.

The forwarding plane implements policers, stateless firewall filters, and class of service.

165. When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?

Ctrl + a

Ctrl + e

Ctrl + u

Ctrl + w

166. Which command is used to replace the current configuration?

load replace

load set

load patch

load override

167. Which of these commands can be used to discard changes made to candidate configuration? (Choose two)

delete 0

rollback 0

delete

rollback

168. You need to access a server on a subnet 172.0.46.0/24. The next-hop router is 10.0.4.2/30. A static route on the gateway has been configured to accomplish the task.

You want to keep the static route from being redistributed into dynamic routing protocols.

Which command will satisfy this requirement?

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-redistribute

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-readvertise

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-resolve

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30

169. Which operational command allows a user to view the exhaust temperatures of a Junos device?

show chassis state

file list alarm

show chassis alarms

show chassis environment

170. What are two important steps when upgrading an SRX300 Series device? (Choose two.)

Verify that enough space exists to upload the software package.

Verify that the netconf protocol is enabled.

Clear all alarms.

Reboot the device.

Page 18 of 34

171. You are asked to change the cable on interface fe-4/2/3.

Which statement is correct?

The cable is found on port 4, FPC 2, and slot 3.

The cable is found on slot 2, port 3, and FPC 4.

The cable is found on FPC 4, slot 3, and port 2.

The cable is found on slot 2, FPC 3, and port 4.

172. What are three benefits of using IPv6?

IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.

IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.

IPv6 eliminates the need for private to public NAT using a large address pool.

IPv6 provides backward compatibility with IPv4 using the Next Header field.

IPv6 represents large IP addresses using dotted decimal notation.

173. Which two commands are used during the password recovery process?

clear system login

boot -s

recovery

delete system root-authentication

174. What is the last usable IP address in 200.10.10.0/26?

200.10.10.62

200.10.10.64

200.10.10.63

175. You specify a regular expression for allow-commands with the commit synchronize command. You specify a regular expression for deny-commands with the commit command.

For a user assigned to such a login class, which of this is true?

The user wouldn't be able to issue any of the command.

The user would be able to issue both the commands - commit synchronize and commit.

The user would be able to issue the commit command but not the commit synchronize command.

The user would be able to issue the commit synchronize command but not the commit command.

176. You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value? (Choose two)

BGP

local

OSPF

direct

177. Choose the advantages that dynamic routing protocols offer over static routing protocols. (Choose three)

easier to implement qualified next hops

easier ECMP route implementation

increased network availability

lower administrative overhead

greater network scalability

178. When a non-root user connects to a Junos device and successfully enters a username and password, they are immediately placed at which level?

UNIX shell

user-level CLI

configuration mode

operational mode

179. Which types of destinations are populated into the forwarding table?

Destinations that are only local to the system

Destinations that are active and passed from the routing table

Destinations that are not accepted by an import policy

Destinations that are user-defined only

180. Given the configuration shown below: set system authentication-order [tacplus] Which two statement are correct? (Choose two.)

If the TACACS+ server is no available, the user is not allowed to access the device.

If the TACACS+ server is no available, the local database is checked.

If the TACACS+ server is available, and rejects the username/password provided, the local password database is checked.

If the TACACS+ server is available, and rejects the username/password provided, the user is not allowed to access the device.

Page 19 of 34

181. Which statement is correct regarding IPv6 addresses?

An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.

An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.

An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.

182. How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a Junos device?

Issue the set cli screen-length 40 command from configuration mode

Set the display options in your terminal program

Set the window size of your terminal program

Issue the set cli screen-length 40 command from operational mode

183. How many usable host addresses are available in 181.74.94.235/21?

2048

2044

1024

2046

184. Which character in the Junos software CLI allows you to filter and manipulate command output?

question mark

pipe character

185. Which three attributes contribute to the reliability of TCP?

Choose three.

Port numbers

EXP bits

Sequence numbers

Acknowledgements

Timers

186. What are three terminating actions for a firewall filter? (Choose three.)

reject

log

terminate

discard

187. What statement is true about the orlonger route-filter match type?

All routes within the specified prefix that are longer than the given prefix are considered a match

All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer or equal to the given prefix are considered a match

188. Which statement is true about import routing policies?

Import policies evaluate routes in the inet.3 routing table.

Import policies evaluate routes as they are advertised to another router.

Import policies evaluate routes in the inet.0 routing table.

Import policies evaluate routes after they are received from another router.

189. Exhibit:

Which statement is correct when traffic is received from 10.10.10.4?

The traffic is only rejected

The traffic is only accepted

The traffic is counted and accepted

The traffic is counted and rejected

190. Which layer of the TCP/IP model is tasked with delivering packets to the destination?

Network Layer

Application Layer

Internet Layer

Transport Layer

Page 20 of 34

191. Which two commands would you use to reset the candidate configuration to the active configuration? (Choose two.)

rollback 0

rollback 1

rollback 2

rollback

192. Referring to the exhibit, what happens when ping packets are sent to management interface address of the local router?

The ping packets are silently discarded

An ICMP unreachable message is returned

The Ping packets are accepted

An ICMP redirect message is returned

193. Which two conditions must exist in a Junos device for traffic to transit the device to a specific destination? Choose Two

A forwarding table entry for that destination must exist

A routing policy must be in place on the device

A firewall filter must exist to allow traffic to reach that destination

A routing table entry for that destination must exist

194. What is the maximum number of configurations, by default, that are recoverable using the rollback command?

100

195. Which two features are implemented on the Packet Forwarding Engine? (Choose Two)

Chassis Management

Firewall Filters

Class of Service

Routing protocol update

196. What are two examples of transit traffic? (Choose two.)

SFTP traffic that enter one interface and is destine for another interface on the local router.

SCP traffic that enters one interface and exit another interface on the local router.

SFTP traffic that enters and exits the same interface on the local router.

SCP traffic that is destined for the router's loopback interface.

197. In which directory are trace option files stored by default?

/var/tmp/

/var/log/

/var/home/

/var/db/

198. Which two statements are true regarding dynamic routing? (Choose two)

Dynamic routing is used when absolute control of routing parameters is necessary

Dynamic routing allows a device to automatically reroute traffic around a failure

Participating devices dynamically learn routing information from each other

Dynamic routing requires more administrative overhead than static routing

199. A packet enters a Junos device. No matching destination entry exists in the forwarding table.

How will the device respond?

The RE responds to the source with a destination unreachable notification message

The PFE responds to the destination with a source unreachable notification message

The PFE responds to the source with a destination unreachable notification message

The RE responds to the destination with a source unreachable notification message

200. Which command verifies configuration syntax without applying the changes?

commit and Cquit

commit check

commit comment

commit confirmed

Page 21 of 34

201. At which hierarchy would you configure a static MAC address for interface ge-0/0/0?

[edit interfaces ge-0/0/0 unit 0]

[edit interfaces ge-0/0/0]

[edit interfaces ge-0/0/0 unit 0 family inet]

[edit interfaces ge-0/0/0 unit 0 family inet address 172.25.11.2/24]

202. What does the output of the show route forwarding-table command display?

The routing protocol databases in the Routing Engine

The inactive entries in the Routing Engine’s routing table

The Routing Engine’s forwarding table

The Packet Forwarding Engine routing table

203. What is minimum configuration required for a Junos device to respond to SNMP requests?

set snmp community public authorization read only

set snmp public version v2

set snmp community public

set snmp trap-group public version v1

204. When multiple users are editing the configuration on a Junos device.

What is the default behavior when a user issues a commit command?

The user’s configuration changes are committed, other users configuration changes are still pending

The user’s configuration changes are committed, other users will be exited from the configuration mode

All valid configuration changes made by all users will take effect

The user will receive an error message disallowing a commit of the configuration

205. How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a junos device?

Set the window size of your terminal program

Issue that set cli screen-length 40 command from operational mode

Set the display options in your terminal program

Issue that set cli screen-length 40 command from Configuration mode

206. Which two statements are true about the default behavior of Junos routing policies? (Choose two.)

Routing policies can export active and inactive routes.

Routing policies can export only active routes.

Routing policies control the flow of routing information going to and from the routing table.

Routing policies control the flow of routing information going to and from the forwarding table.

207. Click the Exhibit button.

Referring to the exhibit, which command was issued to generate the output?

show chassis routing-engine

show chassis hardware

show chassis environment

show chassis fpc

208. Depending on the device type, Junos is built upon which two OS kernels? (Choose two.)

NetBSD

FreeBSD

Linux

OpenBSD

209. Your firewall filters are not in the correct order, what would solve this problem?

Use the next-term action to force an evaluation of the next-term

Use the commit parameter to ensure that terms are evaluated correctly

Use the reject action to change the action of the filter

Use the filter command to reorder the terms with the filter

210. Refer to Exhibit:

Which parameter at the end of the command would provide information for troubleshooting pusposes?

No-timestamp

Extensive

Print-ascii

No-resolve

Page 22 of 34

211. What happens when a route does not match any user-configured policies?

The route is rejected.

The route is accepted.

The route is given a lower priority.

The route is sent to the default policy.

212. Which two statements describe IPv4 default behavior for BGP? Choose Two

All Active BGP routes are exported to configured EBGP neighbors

All BGP routes are exported to configured EBGP neighbors

All BGP routes are imported into the inet.0 routing table

All BGP routes are imported into the inet4.0 routing table

213. You are in configuration mode at the top of the hierarchy. You need to abort the changes that you have made and start again with a fresh copy of the active configuration.

Which command should you use to accomplish this task?

rollback 0

load active

reset config

clear candidate config

214. Click the Exhibit button.

Referring to the exhibit, which action would synchronize the local router’s clock with the NTP server?

Configure the correct NTP trusted key using the net trusted-key <key-value> configuration command under the [edit system ntp] hierarchy.

Issue the set date ntp operational command.

Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy.

Reboot the router.

215. Which command displays all IPv4 routes in the default routing instance?

show route table inet.0

show route table inet.2

show route table inet6.0

show route table inet.1

216. What is the default route preference for OSPF internal?

100

150

217. While working on a Junos device, you receive the message shown in the exhibit.

In this scenario, what should you do to stop the shutdown process?

Issue the request system halt in 0 command

Issue the request system power-off in 0 command

Issue the clear system reboot command

Issue the clear system commit command

218. Which two interfaces are considered physical interfaces? (Choose two.)

xe-10/2/1

ge-0/0/0

et-3/0/0/0:0.501

et-7/1/4.0

219. Referring to the exhibit, what does the number inside the square brackets represent?

local preference

metric

protocol reference number

route preference

220. Which two statements describe a routing policy?

Active and inactive routes are available for export from the routing table.

A routing policy allows you to control the flow of information into the routing table.

Routing policy are used to choose which routes are sent to neighbors using dynamic routing Protocols

Attribute changes applied to export policies always affect the local routing table

Page 23 of 34

221. What statement is true about the orlonger route-filter match type?

All routes within the specified prefix that are longer than the given prefix are considered a match

All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer or equal to the given prefix are considered a match

All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match

222. You issue the request system zeroize command.

Which statement is correct in this scenario?

All data files are deleted and all configuration setting are returned to factory defaults.

All data files remain unchanged but all configuration setting are returned to factory defaults.

Disk space is freed by rotating log files and a proposed list of files to delete is presented.

All data files are deleted and the configuration settings remain unchanged.

223. What are two default password requirements on devices running Junos OS? (Choose two.)

Passwords must be at least six characters in length.

An expiration date must be set.

Passwords must contain at least one special character.

Alphanumeric characters classes must be used.

224. Which two statements describe PFE functions are true?

The PFE implements rate limiting using policers

The PFE stores the master copy of the layer 2 and layer 3 forwarding tables

The PFE provides access to the CLI and Jweb

The PFE stores a local copy of the layer 2 and layer 3 forwarding tables

225. Which statement is true about the longer router-filter match type?

All router within the specified prefix that are longer than or equal to the given prefix are considered a match.

All router within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match.

All router within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match.

All router within the specified prefix that are longer than given prefix are considered a match.

226. You are connected to your Junos device using an SSH connection to the txp0 interface. No other interfaces are currently configured and unreachable from your management network.

How would you reestablish communication with the device?

Establish a SSH connection to the loopback interface

Unplug the network cable and plug it back in

Power off and power on the device

Connect to the console of the device

227. What are two examples of transit traffic? (Choose two.)

SCP traffic that is destined for the router's loopback interface.

SCP traffic that enters one interface and exits another interface on the local router.

SFTP traffic that enters and exits the same interface on the local router.

SFTP traffic that enters one interface and is destined for another interface on the local router

228. You have the policy configuration shown in the exhibit applied to a BGP peering. You determine that customer routes coming from the 10.1.1.0/24 network are being rejected

Which action should be used to correct the problem?

***Exhibit is Missing***

[edit policy-options policy-statement my-policy] [email protected]# copy term 2 to term 1

[edit policy-options policy-statement my-policy] [email protected]# rename term 1 to term 3

[edit policy-options policy-statement my-policy] [email protected]# copy term 2 to term 0

[edit policy-options policy-statement my-policy] [email protected]# insert term 2 before term 1

229. Which keystroke is used to auto-complete user-defined variables?

Spacebar

Home

Esc

Tab

230. Click the Exhibit Button.

You are asked to limit traffic on interface xe-0/0/3 to 1G using the policer shown in the exhibit.

Which configuration would accomplish this task?

A)

Option A

Option B

Option C

Option D

Page 24 of 34

231. Click the Exhibit button.

You configured the route filter shown in the exhibit.

In this scenario, which IP addresses would term-One accept?

IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the 172.35.0.0/16 and 172.36.0.0/16 subnets.

IP addresses that are part of the 172.35.0.0/16 network only.

IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the subnets of 172.35.0.0/16 network.

IP addresses that are part of the 172.35.0.0/16 network, but not IP addresses that are part of the 172.35.0.0/16 network itself.

232. Which command produced the output shown in the exhibit?

Show interfaces summary

Show interfaces filters

Show interfaces extensive

Show interfaces terse

233. When you first log in to a router, how does the router indicate that factory defaults are being used?

Junos Configuration Basics

The router's host name is Amnesiac.

The password you used to log in is junos.

The router immediately enters configuration mode after you log in.

The router allows you to enter configuration mode without logging in.

234. A BGP route does not match any term within a routing policy applied to BGP.

Which action is taken by the router for this route?

It discards the route by the implicit ‘discard all’ at the end of the policy.

It advertises the route according to BGP rules.

It discards the route by the default routing protocols policy.

It discards the route because it is unable to match the route to a configured action.

235. Which two interfaces are considered logical interfaces? (Choose two.)

xe-1/1/1

ge-2/0/2.0

et-5/0/0

ae1.1

236. How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a Junos device?

Issue the set cli screen-length 40 command from operational mode.

Issue the set cli screen-length 40 command from configuration mode

Set the display options in your terminal program.

Set the window size of your terminal program.

237. Which three statements describe the Transmission Control Protocol (TCP)? (Choose three.)

TCP is a transport layer protocol.

TCP is faster than the User Datagram Protocol (UDP).

TCP provides delivery notification and error-checking mechanisms.

TCP uses a best-effort delivery approach.

TCP application examples include HTTP and SMT

238. What information would you find using the CLI help function? (Choose two.)

tip of the day

Junos technical publications

explanation of specific system log error messages

explanation of traceoption events

239. Referring to the exhibit, what will be the result?

The device will boot in single-user mode at the operational prompt.

The device will boot into single-user mode at the shell prompt.

The device will boot into multi-user mode at the shell prompt.

The device will boot in multi-user mode at the configuration prompt.

240. You have received a request from the user, SecurityTeam, to notify their terminal connection only when someone commits a change to the configuration of a specific networking device.

Which command would you input in this scenario?

set system syslog user SecurityTeam change-log alert

set system syslog user SecurityTeam change-log any

set system syslog user SecurityTeam interactive-commands any

set system syslog user SecurityTeam interactive-commands

Page 25 of 34

241. What are the contents of a scheduler?

A scheduler contains parameters that describe how a queue should be serviced.

A scheduler contains traffic that is ready to be transmitted.

A scheduler contains forwarding classes that allow traffic to be forwarded.

A scheduler contains a map between the classification of a packet and its forwarding class.

242. Which statement is correct regarding the configuration shown in the exhibit?

When the ospf-trace file has created five files, it will stop logging additional information.

When the ospf-trace file reaches the 64 kB file size, it is renamed and begins a new file

the ospf-trace file will automatically replace any any existing trace file with the same name

Timestamp information will not be included for each line of ospf-trace output

243. Which two commands would you use to reset the candidate configuration to the active configuration? (Choose two.)

rollback 0

rollback 2

rollback 1

rollback

244. Which of these commands can be used to gracefully shutdown the Junos OS?

request system reboot

request system halt

restart gracefully

request system logout

245. The monitor traffic command closely resembles which UNIX-based utility?

ps -x

passwd

ls -a-l

tcpdump

246. What information does the help topic command provide?

a brief description of commands and their default values

usage guidelines for a topic or configuration statement

router's version and serial number to help open a case with JTAC

a verification of the current configuration on the router

247. After logging in as a root user, which of these commands must be used to enter operational mode?

configure

enable

cli

edit

248. Which two features are implemented on the Packet Forwarding Engine? (Choose two.)

firewall filters

chassis management

class of service

routing protocol updates

249. What represents the decimal equivalence of 10100101?

127

165

250. What represents the decimal equivalence 1100 00011111 11001001 11000101?

172.28.187.189

172.31.201.197

172.30.231.182

172.19.151.107

Page 26 of 34

251. What are three valid software release designations for the junos OS? (Choose three.)

252. By default, which character indicates the UNIX shell prompt?

253. Which two statements are correct regarding the internal link between the control plane and forwarding plane? (Choose two.)

The internal link has a built-in rate limiter that is configurable.

The internal link rate limits exception traffic to protect the Routing Engine against denial-of-service attacks.

The internal link has a built-in rate limiter that is not configurable.

The internal link rate limits transient traffic to protect the Routing Engine against denial of service attacks.

254. Which command is used to replace a current configuration?

load replace

load patch

load override

load set

255. Which operational command displays the routing table?

show routing-table

route print

display routes

show route

256. Which of these are valid match criteria for a firewall filter applied to a Layer 3 interface? (Choose three)

Session ID

protocol

MAC address

port

IP address

257. Which of these commands can be used to view the active configuration?

[email protected]> show system commit

[email protected]> show system configuration

[email protected]# show

[email protected]> show configuration

258. Exhibit:

Referring to the exhibit, which command was issued to generate the output?

show chassis environment

show chassis routing-engine

show chassis fpc

show chassis hardware

259. Which statement is correct about the validate option when upgrading JUNOS software with the request system software add command?

It will check the compatibility of the configuration with the install package.

It will check if the device meets the storage requirement for the install package.

It will check the MD5 checksum of the install package.

It will check if the device meets the memory requirements for the install package.

260. Which two statements are true regarding interface properties? (Choose two.)

MTU and speed must be configured under the logical unit.

Physical parameters such as MTU, duplex mode, and speed are configured under the interface name.

IPv4 and IPv6 addresses are configured under the logical unit.

DLCI numbers, VPI/VCI values, and VLAN tags are physical parameters.

Page 27 of 34

261. What is a characteristic of route preference?

It is the same as a route metric.

It must be assigned manually for each protocol.

A higher preference is better than a lower preference.

A lower preference is better than a higher preference.

262. Consider the host IP Address is - 192.168.100.60 and the network mask is - 255.255.255.224 (or /27).

Which of the following address represents the correct network address for the referenced host?

192.168.100.0

192.168.100.32

192.168.100.48

192.168.100.16

263. What is the maximum number of configurations, by default, that are recoverable using the rollback command?

100

264. Which feature must you enable prior to performing a unified in-service software upgrade?

graceful Routing Engine switchover (GRES)

Virtual Router Redundancy Protocol (VRRP)

graceful restart

Network Time Protocol (NTP)

265. Which two of the following items does a scheduler map associate with each other? (Choose two.)

Scheduler

BA Classifier

Forwarding class

Rewrite rule

266. Which two statements are true regarding dynamic routing? (Choose two.)

Participating devices dynamically learn routing information from each other

Dynamic routing requires more administrative overhead than static routing

Dynamic routing allows a device to automatically reroute traffic around a failure

Dynamic routing is used when absolute control of routing parameters is necessary

267. Which statement is true about PFEs?

A PFE receives microcode updates from the RE

A PFE receives layer 4 forwarding table updates from the RE

A PFE receives hardware status messages from the RE

A PFE receives environmental status messages from the RE

268. What is minimum configuration required for a Junos device to respond to SNMP requests?

set snmp community public authorization read only

set snmp public version v2

set snmp community public

set snmp trap-group public version v1

269. Which of these authentication methods are NOT supported by Junos? (Choose two)

RADIUS

local user database

CHAP

TACACS+

PAP

270. Which of these statements is true about logical units on Juniper Router interfaces?

A logical unit is always required.

Logical units are used only when a Layer 2 identifier is present such as VLA

Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.

A logical unit of 0 is required when using a frame-relay DLC

Page 28 of 34

271. What are two functions of the PFE? (Choose two.)

to maintain the forwarding tables

to apply the class of service function

to forward transit traffic

to monitor the chassis

272. Which statement is true about the forwarding plane?

The forwarding plane is the intelligence of the platform.

The forwarding plane is based on an X86 architecture.

The forwarding plane maintains the routing tables, bridging table, and primary forwarding table.

The forwarding plane implements policers, stateless firewall filters, and class of service.

273. When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?

Ctrl + a

Ctrl + e

Ctrl + u

Ctrl + w

274. Which command is used to replace the current configuration?

load replace

load set

load patch

load override

275. Which of these commands can be used to discard changes made to candidate configuration? (Choose two)

delete 0

rollback 0

delete

rollback

276. You need to access a server on a subnet 172.0.46.0/24. The next-hop router is 10.0.4.2/30. A static route on the gateway has been configured to accomplish the task.

You want to keep the static route from being redistributed into dynamic routing protocols.

Which command will satisfy this requirement?

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-redistribute

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-readvertise

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-resolve

set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30

277. Which operational command allows a user to view the exhaust temperatures of a Junos device?

show chassis state

file list alarm

show chassis alarms

show chassis environment

278. What are two important steps when upgrading an SRX300 Series device? (Choose two.)

Verify that enough space exists to upload the software package.

Verify that the netconf protocol is enabled.

Clear all alarms.

Reboot the device.

279. You are asked to change the cable on interface fe-4/2/3.

Which statement is correct?

The cable is found on port 4, FPC 2, and slot 3.

The cable is found on slot 2, port 3, and FPC 4.

The cable is found on FPC 4, slot 3, and port 2.

The cable is found on slot 2, FPC 3, and port 4.

280. What are three benefits of using IPv6?

IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.

IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.

IPv6 eliminates the need for private to public NAT using a large address pool.

IPv6 provides backward compatibility with IPv4 using the Next Header field.

IPv6 represents large IP addresses using dotted decimal notation.

Page 29 of 34

281. Which two commands are used during the password recovery process?

clear system login

boot -s

recovery

delete system root-authentication

282. What is the last usable IP address in 200.10.10.0/26?

200.10.10.62

200.10.10.64

200.10.10.63

283. You specify a regular expression for allow-commands with the commit synchronize command. You specify a regular expression for deny-commands with the commit command.

For a user assigned to such a login class, which of this is true?

The user wouldn't be able to issue any of the command.

The user would be able to issue both the commands - commit synchronize and commit.

The user would be able to issue the commit command but not the commit synchronize command.

The user would be able to issue the commit synchronize command but not the commit command.

284. You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value? (Choose two)

BGP

local

OSPF

direct

285. Choose the advantages that dynamic routing protocols offer over static routing protocols. (Choose three)

easier to implement qualified next hops

easier ECMP route implementation

increased network availability

lower administrative overhead

greater network scalability

286. When a non-root user connects to a Junos device and successfully enters a username and password, they are immediately placed at which level?

UNIX shell

user-level CLI

configuration mode

operational mode

287. Which types of destinations are populated into the forwarding table?

Destinations that are only local to the system

Destinations that are active and passed from the routing table

Destinations that are not accepted by an import policy

Destinations that are user-defined only

288. Given the configuration shown below: set system authentication-order [tacplus] Which two statement are correct? (Choose two.)

If the TACACS+ server is no available, the user is not allowed to access the device.

If the TACACS+ server is no available, the local database is checked.

If the TACACS+ server is available, and rejects the username/password provided, the local password database is checked.

If the TACACS+ server is available, and rejects the username/password provided, the user is not allowed to access the device.

289. Which statement is correct regarding IPv6 addresses?

An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.

An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.

An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.

290. How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a Junos device?

Issue the set cli screen-length 40 command from configuration mode

Set the display options in your terminal program

Set the window size of your terminal program

Issue the set cli screen-length 40 command from operational mode

Page 30 of 34

291. How many usable host addresses are available in 181.74.94.235/21?

2048

2044

1024

2046

292. Which character in the Junos software CLI allows you to filter and manipulate command output?

question mark

pipe character

293. Which three attributes contribute to the reliability of TCP?

Choose three.

Port numbers

EXP bits

Sequence numbers

Acknowledgements

Timers

294. What are three terminating actions for a firewall filter? (Choose three.)

reject

log

terminate

discard

295. What statement is true about the orlonger route-filter match type?

All routes within the specified prefix that are longer than the given prefix are considered a match

All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer or equal to the given prefix are considered a match

296. Which statement is true about import routing policies?

Import policies evaluate routes in the inet.3 routing table.

Import policies evaluate routes as they are advertised to another router.

Import policies evaluate routes in the inet.0 routing table.

Import policies evaluate routes after they are received from another router.

297. Exhibit:

Which statement is correct when traffic is received from 10.10.10.4?

The traffic is only rejected

The traffic is only accepted

The traffic is counted and accepted

The traffic is counted and rejected

298. Which layer of the TCP/IP model is tasked with delivering packets to the destination?

Network Layer

Application Layer

Internet Layer

Transport Layer

299. Which of these is true about routing table?

The routing table exists in the control plane and in the forwarding plane.

The routing table is stored on compact flash.

The routing table contains both active and inactive routes.

The routing table exists in the control plane only.

300. Which command configures an address of 192.168.1.1 with a mask of 255.255.255.0 on interface ge-0/0/0?

set ip interface ge-0/0/0 address 192.168.1.1 255.255.255.0

set ip interface ge-0/0/0 address 192.168.1.1/24

set interface ge-0/0/0 ip4 address 192.168.1.1 mask 255.255.255.0

set interfaces ge-0/0/0 unit 0 family inet address 192.168.1.1/24

Page 31 of 34

301. Which two fields are found in an Ethernet frame? (Choose two.)

Version

TTL

Checksum

Data

302. Which of these features of IPv6 results in efficient packet processing?

smaller header size

larger header size

fixed header size

variable header size

303. Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?

Issue the set date ntp operational command

Configure the correct NTP trusted key using the set trusted-key <key-value> configuration command under the [edit system ntp] hierarchy

Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy

Reboot the router

304. What are three characteristics of UDP?

UDP is faster than TC

UDP operates at the Transport Layer.

UDP is connection-oriented.

UDP data is sent best-effort. UDP is more reliable than TC

305. Which CLI command will ping destination 10.0.29.1?

[email protected]> ping 10.0.29.1

[email protected]# ping 10.0.29.1

[email protected]> ping host 10.0.29.1

[email protected]# ping host 10.0.29.1

306. Which statement is true about exception traffic?

Exception traffic is automatically logged in /var/log/messages.

Exception traffic requires a firewall filter before it can be acted upon.

Exception traffic requires some form of special handling.

Exception traffic passes through the local device.

307. When troubleshooting ATM, which command would allow you to test reachability from one side of an ATM cloud to the other?

ping atm vci 0.100 interface at-0/1/0 end-to-end

ping atm vci 0.100 interface at-0/1/0 circuit

ping atm vci 0.100 interface at-0/1/0 far-end

ping atm vci 0.100 interface at-0/1/0 final-hop

308. You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts.

Which network mask do you use?

/26

/27

/28

/29

309. Which configuration more allows only a single user to edit the configuration?

configure exclusive

configure Private

configure dynamic

configure batch

310. In which directory does Junos store the traceoptions files?

/var/tmp

/var/log/

/var/home/<username>

/var/

Page 32 of 34

311. What are two default routing policies on Junos devices?

The BGP import policy accepts all BGP routes.

The BGP export policy rejects all active BGP routes.

The OSPF import policy accepts all OSPF routes.

The OSPF export policy accepts all active OSPF routes.

312. Your configuration contains the static routes shown in the exhibit.

Which command will successfully remove the 166.74.67.131 static route?

delete routing-options static route 166.74.67.131/32 qualified-next-hop 166.113.123.27 interface irb.222

delete routing-options static route 166.74.67.131/32

delete routing-options static route 166.74.67.131/32 qualified next-hop 166.113.123.37

delete routing-options static route 166.74.67.131/32 qualified next-hop

313. What will the command ping 192.168.1.1 count 5 perform?

ICMP echo requests are sent to 192.168.1.1 for five seconds

ICMP echo requests are sent to 192.168.1.1 until five responses are received

ICMP echo requests are sent to 192.168.1.1 in five second intervals

ICMP echo requests are sent to 192.168.1.1 five times

314. Which operational command would you enter to see a concise display of which interfaces are up and which are down?

show interfaces brief

show interfaces status

show ip interface brief

show interfaces terse

315. Which process is responsible for controlling all interfaces on a Junos device?

rpd

chassisd

dcd

mgd

316. Which CIDR notation is the equivalent of the subnet mask of 255.255.192.0?

/19

/18

/17

/20

317. Which of these are benefits of the modular design of Junos? (Choose two)

Each module runs in it's own protected memory space.

Each module uses specialised hardware.

Each module can be restarted separately.

318. Which of these protocol daemons is responsible for user commands and configuration on a Junos device?

chassisd

mgd

dcd

rpd

319. Which of these commands will cause a matching packet to be dropped silently?

set routing-options static route 192.168.1.1/32 reject

set routing-options static route 192.168.1.1/32 discard

set routing-options static route 192.168.1.1/32 drop

set routing-options static route 192.168.1.1/32 passive

320. Which of these are examples of RE exception traffic? (Choose two)

OSPF hello packets destined for the local Junos device

BGP updates traversing the local Junos device to another router

Telnet traffic destined for a Junos host

Telnet traffic traversing the local Junos device for another router

Page 33 of 34

321. Which two configuration commands are required to use RADIUS as the user authentication method? Choose two.

Top set system login radius-server 10.10.10.10 secret useme

Top set system radius-server 10.10.10.10 secret useme

Top set system authentication-order radius

Top set system login users radius

322. Which of these is responsible for handling transit traffic?

RE only

Both RE and PFE

Neither RE, not PFE

PFE only

323. Exhibit:

A user attempts to log in to a Junos device. but the RADIUS server is unreachable.

Referring to the exhibit, what is the default action of a Junos device in this scenario?

The Junos device retries every 30 seconds until the connection is restored.

The Junos device prompts for a cached RADIUS password.

The Junos device displays a RADIUS connection error.

The Junos device uses the local authentication database.

324. Which of these about the role of Routing Engine are true? (Choose two)

The RE manages the Packet Forwarding Engine (PFE).

The RE controls and monitors the chassis.

The RE implements class of service (CoS).

The RE receives a copy of the forwarding table.

325. Which two login-class permissions will permit a user to view the system hierarchy of the active configuration? (Choose two)

system permission

admin permission

all permission

network permission

326. What does the output of the show route forwarding-table command display?

The routing protocol databases in the Routing Engine.

The inactive entries in the Routing Engine's routing table.

The Routing Engine's forwarding table.

The Packet Forwarding Engine routing table.

327. What is the binary equivalent of 242.168.94.124?

11110011 10101000 01011110 01111100

11110010 10101010 01011110 01111100

11110010 10101000 01011110 01111100

11110010 10101000 01010110 01111100

328. Which of these help commands gives a list of commands in which a given keyword is used throughout Junos?

help topic

help apropos

help reference

329. Which three of the following are considered match criteria in a policy? (Choose three.)

prefix-list

protocol ospf

next-term

AS path

prefix-term

330. Which of these are characteristics of UDP? (Choose two)

three-way handshake

defined timers

limited error checking

no recovery mechanisms

Page 34 of 34

331. What is the binary equivalent of 100.25.98.207?

01100100 00011001 01100010 11001111

01110100 00011001 01101010 11001111

01100100 00011001 01101010 11001111

11100100 00001001 01100010 11001110

332. The auto-complete feature in the Junos CLI is triggered by which methods?

pressing the Spacebar for both command and variable completion

pressing the Spacebar for only command completion and the Tab key for only variable completion

pressing the Spacebar for only variable completion and the Tab key for only command completion

pressing the Tab key for both variable and command completion and the Spacebar for command completion

333. Which of these about IPv6 addresses is true?

An IPv6 address consists of 128 bits grouped into sixteen 8-bit hexadecimal sections

An IPv6 address consists of 64 bits grouped into eight 8-bit hexadecimal sections

An IPv6 address consists of 128 bits grouped into eight 16-bit hexadecimal sections

An IPv6 address consists of 64 bits grouped into four 16-bit hexadecimal sections

334. Which of these about optical networks are true? (Choose two)

SONET and SDH both use time-division multiplexing

SONET and SDH both use wavelength-division multiplexing

Optical transport network uses wavelength-division multiplexing

Optical transport network uses time-division multiplexing

335. An administrator is unable to ping any address on the 10.0.19.0/24 subnet.

To identify the problem, the administrator uses the command shown in the exhibit.

[email protected]# run show interfaces terse

Interface Admin Link Proto Local

fe-0/0/0 up up

fe-0/0/0.0 up upinet 10.0.39.2/24

iso

mpls

fe-0/0/1 up up

fe-0/0/1.0 up upinet 10.0.18.2/24

fe-0/0/1.5 down up inet 10.0.19.2/24

Which step should be taken to solve the problem?

Check the physical cable.

Issue the command activate interfaces fe-0/0/1.5.

Issue the command delete interfaces fe-0/0/1.5 disable.

Reconfigure the IP address.

336. Which statement is true about import and export routing policies?

Import policies concern routes received and determine which routes get put into the routing table.

Export policies concern routes received and determine which routes get put into the routing table.

Export policies are applied before the routing table.

Import polices are applied after the routing table.

337. Which user authentication method is supported by Junos as a last resort alternative?

RADIUS

local user database

CHAP

TACACS+

338. Which two are correct when configuring an IP address for a Fast Ethernet interface?

set interfaces fe-0/0/0 address 10.1.1.1/24

set interfaces fe-0/0/0.0 family inet address 10.1.1.1/24

set interfaces fe-0/0/0.0 address 10.1.1.1/24

set interfaces fe-0/0/0 unit 0 family inet address 10.1.1.1/24

339. You accidentally configured interface so-0/0/0.0 with 1.1.1.1/32 instead of 1.1.1.1/30.

Which two solutions could you use to correct this configuration? (Choose two.)

[edit interfaces so-0/0/0.0] [email protected]# replace family inet address 1.1.1.1/32 with 1.1.1.1/30

[edit interfaces so-0/0/0.0] [email protected]# rename family inet address 1.1.1.1/32 to address 1.1.1.1/30

[edit] [email protected]# replace interface so-0/0/0.0 family inet address 1.1.1.1/32 with address 1.1.1.1/30

[edit interfaces so-0/0/0.0] [email protected]# delete family inet address [email protected]# set family inet address 1.1.1.1/30

340. Which configuration command can you use to reset a Junos device to factory defaults?

reset configuration

load factory-default

load override default

set default configuration