H12-811_V1.0-ENU Online Training Archives

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1. When the host accesses the web server of the server, the network layer protocol field takes the value 6.

True

False

2. A network engineer prompts the following information when entering the command line:

Error: unrecognized command found at ‘^’ position.

Which of following statement about the prompt information is correct?

The input command is not clear

Wrong parameter type

No keyword found

Input command is incomplete

3. As shown in the figure, there are three data packets captured by the administrator on the network.

Which of the following statements is incorrect?

None of these three data packets contain application layer data

These three data packets represent the three-way handshake process of TCP

The telnet client uses port 50190 to establish a connection with the server

The IP address of the telnet server is 10.0.12.1, and the IP address of the telnet client is 10.0.12.2

4. Under the command line interface of Huawei AR router, the save command is used to save the current system time.

True

False

5. Regarding the transport layer protocol, which of the following statements are correct? (Multiple Choice)

The establishment of a TCP connection is a three-way handshake process, and the termination of a TCP connection requires a four-way handshake

UDP uses the SYN and ACK flags to request and confirm the establishment of a connection

The range of well-known port numbers is 1-1023

UDP is suitable for transmitting delay-sensitive traffic and can be reorganized according to the sequence number field in the message header

6. The tracert diagnostic tool in Huawei routers is used to track the forwarding path of data.

True

False

7. In which of the following network types does the ospf protocol need to elect DR and BDR? (Multiple Choice)

Broadcast type

Point-to-point type

Point-to-multipoint

NBMA

8. Regarding the static routing, which of the following is incorrect?

Manual configuration by the network administrator

Routing information needs to be exchanged between routers

Cannot automatically adapt to changes in network topology

Low system performance requirements

9. At what frequency does the IEEE 802.11n standard support to work? (Multiple Choice)

6GHz

2.5GHz

2.4GHz

5GHz

10. In the network as shown in the figure below, what commands can be entered on the router to make host A ping host B successfully? (Multiple Choice)

RTA ： ip route-static 0.0.0.0 0.0.0.0 11.0.12.2 RTB ： ip route-static 0.0.0.0 0.0.0.0 11.0.12.1

RTA ： ip route-static 10.0.12.5 255.255.255.252 11.0.12.2 RTB ： route-static 10.0.12.1 255.255.255.252 11.0.12.1

RTA ： ip route-static 0.0.0.0 0.0.0.0 11.0.12.1 RTB ： ip route-static 0.0.0.0 0.0.0.0 11.0.12.2

RTA ： ip route-static 10.0.12.5 255.255.255.252 11.0.12.1 RTB ： ip route-static 10.0.12.1 255.255.255.252 11.0.12.2

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11. Which one of the following commands can only view static routes on VRP operating platform?

display IP routing-table

display IP routing-table statistics

display IP routing-table verbose

display IP routing-table protocol static

12. The router running the ospf protocol can reach the FULL state after completing the LSDB synchronization.

True

False

13. All interfaces of the router belong to the same broadcast domain.

True

False

14. Which of the following protocol types does the ospf protocol support? (Multiple Choice)

Point-to-multipoint

Point-to-point type

Broadcast type

NBMA

15. When using the ping command on the VRP platform, if you need to specify an IP address as the source address of the echo request message, which of the following parameters should be used?

-d

-a

-s

-n

16. Which of the following ospf protocol packets can ensure the reliability of LSA updates?

LSR

LSU

LSACK

17. What kinds of stable states does the neighbor relationship of OSPF protocol have? (Multiple Choice)

2-way

Full

Down

attempt

18. All interfaces of routers running ospf protocol must belong to the same area.

True

False

19. Dynamic routing protocols can automatically adapt to changes in network topology.

True

False

20. As shown in the figure below, host A and host B cannot communicate.

True

False

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21. As shown in the figure, when the switch needs to forward the frame with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct?

The switch will send a message that the destination is unreachable to the source device

The switch does not find a matching entry in the mac address table, so the frame will be discarded

The switch needs to send a request to discover the device with the mac address of 5489-98ec-f011

The switch will flood the frame on all ports except the port that received the frame

22. According to the command output as shown in the figure, which of the following descriptions is correct? (Multiple Choice)

GigabitEthernet0/0/1 allows VLAN1 to pass

GigabitEthernet0/0/1 does not allow VLAN1 to pass

If you want to change GigabitEthernet0/0/1 to an Access port, you first need to use the command "undo port trunk allow-pass vlan all"

If you want to change GigabitEthernet0/0/1 to an Access port, you first need to use the command "undo port trunk allow-pass vlan 2 to 4094"

23. According to the command shown in the figure, which of the following descriptions is correct? (Multiple Choice)

The PVID of GigabitEthernet0/0/1 port is 1

The PVID of GigabitEthernet0/0/2 port is 1

The PVID of the GigabitEthernet0/0/2 port is 10

The PVID of GigabitEthernet0/0/1 port is 10

24. If an Ethernet data frame is Length/type=0x8100, which of the following statements is correct?

There must be a UDP header in the upper layer of this data frame

There must be a TCP header in the upper layer of this data frame

This data frame must carry vlan TAG

There must be an IP header in the upper layer of this data frame

25. The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge ID switches will become the root bridge?

4096 00-01-02-03-04-DD

32768 00-01-02-03-04-AA

32768 00-01-02-03-04-BB

32768 00-01-02-03-04-CC

26. Regarding the election of active ports in link aggregation LACP mode, which of the following is correct?

Compare the priority of the interface first, if it is impossible to determine the better one, continue to compare the interface number, the smaller the better

Only compare interface priority

Compare device priority

Only compare interface numbers

27. The mac address of the existing switch is shown in the figure. Which of the following statements is correct?

When the switch restarts, the mac address learned by port Eth0/0/2 does not need to be relearned

The data frame with the source mac address of 5489-9885-18a8 and the destination mac address of 5489-989d-1d30 learned from the port is forwarded from the Eth0/0/1 port

The data frame with the source mac address of 5489-9811-0b49 and the destination mac address of 5489-989d-1d30 learned from the port is forwarded from the Eth0/0/2 port

When the switch restarts, the mac address learned by port Eth0/0/3 needs to be re-learned

28. As shown in the figure below, all hosts can communicate normally. Which of the following statements is correct? (Multiple Choice)

G0/0/3 of SWB learned 2 mac addresses

G0/0/3 of SWA learned 1 mac address

G0/0/3 of SWA learned 2 mac addresses

G0/0/3 of SWA learned 3 mac addresses

29. Which of the following statements about the Hybrid port are correct?

Hybrid port can strip off the tags of some vlan frames in the outgoing port direction

When the Hybrid port sends data frames, it must carry the vlan tag

Hybrid port only receives data frames with VLAN tag

Hybrid port does not require PVID

30. The function of telnet.read_very_eager in Telnetlib is to read data of non-blocking, usually need to be used with the time module.

True

False

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31. Which of the following are not open interfaces for Huawei network equipment?

RE TCONF

JSON

XML

NETCONF

32. For switches running STP protocol, the port can be directly converted to the Disabled state in any state.

True

False

33. The IPv6 address 2001:ABEF:224E:FFE2:BCCO:CDOO:DDBE:8D58 cannot be abbreviated.

True

False

34. Using the commands "vlan batch 10 20" and "valn batch 10 to 20", how many VLANs can be created respectively?

11 and 11

2 and 2

11 and 2

2 and 11

35. The second layer switch belongs to the data link layer device, which can identify the mac address information in the data frame, forward data according to the mac address, and record these mac addresses and corresponding port information in its own mac address table.

True

False

36. In the configuration BPDU sent by the switch, which bridge ID is unlikely to appear?

8192 00-01-02-03-04-CC

2048 00-01-02-03-04-CC

4096 00-01-02-03-04-CC

0 00-01-02-03-04-CC

37. If the configured ACL rule has an inclusion relationship, it should be noted that the rule number of the strict condition needs to be sorted first, and the rule number of the loose condition needs to be sorted later, to prevent the packet from hitting the loose condition rule and stop continuing to match, thus make it impossible to hit the strict conditions of the rules.

True

False

38. The network administrator configures as shown in the figure on the Huawei router RTA, if a user needs to be authenticated in the authentication domain "huawei", which of the following descriptions is correct?

[RTA] aaa

[RTA-aaa] domain huawei

[RTA-aaa-domain huawei] authentication-scheme au1

[RTA-aaa domain-huawei] authentication-scheme au2

"authentication-scheme au1" authentication will be used

"authentication-scheme au1" authentication will be used, if "au1" is deleted, "au2" authentication will be used

"authentication-scheme au2" authentication will be used, if "au2" is deleted, "au1" authentication will be used

"authentication-scheme au2" authentication will be used

39. What is the number range of Layer 2 ACL?

4000-4999

2000-2999

6000-6031

3000-3999

40. What is the number range of advanced ACL?

2000-2999

4000-4999

6000-6031

3000-3999