JN0-222 Online Training Archives

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1. What are two popular methods of data serialization? (Choose two.)

Python

JSON

SLAX

YAML

2. Exhibit.

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

The Junos configuration database is automatically locked and unlocked.

The connection to the Junos device is explicitly opened and closed

The connection to the Junos device is automatically opened and closed

The Junos configuration database is explicitly locked and unlocked

3. Which HTTP status code indicates a response to a successful request?

500

302

200

400

4. Exhibit.

Referring to the exhibit, what is the function of the register key?

to set an input value for the juniper_junos_rpc module

to configure a global setting for the playbook

to define a variable containing the return value from the module

to print a result to standard out

5. Junos PyEZ is a microframework used to operate the Junos OS using which language?

Puppet

Chef

Python

Ruby

6. Exhibit.

Referring to the exhibit, where would the junos. conf file be found?

a directory located on R1

a directory on juniper__}uno3_conf

a local directory on the Ansible control machine

a directory on the device list in inventory_hostname

7. Exhibit.

You have the configuration shown in the exhibit, but are unable to access the REST API Explorer.

Which configuration is necessary to solve this problem?

Configure the rest service to be active on port 80.

Configure an IPv4 address on ge-0/0/0 0.

Configure a secondary IPv6 address on ge-0/0/0.0.

Configure a firewall filter to explicitly permit SS

8. Which Python code block is an example of a context manager?

while True: device C Device(host-“vmx-1”, user-“lab”, passwd-“lab123”)...

try: device C Device(host-“vmx-1”, user-“lab”, passwd-“lab123”)... except: print(“Unable to connect to the vMX1”)

with Device(host=”vmx-1”, user=”lab”, passwd=”lab123”) as device:...

for host in [“vmx-1”, “vmx-2”]: device C Device(host-host, user-“lab”, passwd-“lab123”)...

9. Exhibit.

Referring to the exhibit, which two statements about the script arc correct? (Choose two.)

The script prints the name of each configured interface.

The script retrieves the interface configuration in XML

The script prints interface information for each interface name.

The script retrieves the interface configuration in JSO

10. You are asked to gather interface information from a Junos device. Your environment supports the JSON

format. To determine how interface information is represented, you decide to view all of the configured

interface key-value pairs in the current Junos candidate configuration.

In this scenario, which command will provide the information that you need?

[email protected]# show interfaces | find json

[email protected]# show interfaces | display json

[email protected]# show interfaces | except json

[email protected]# show interfaces | match json

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11. Which feature is used in XML to ensure that all attributes and elements have unique names?

selectors

predicate

namespace

XPath

12. In Phython, my_list = [ 1, 2, 3] is an example of which type of operation?

Assignment

Membership

bitwise

comparison

13. Which XML feature is used to ensure that elements defined in multiple schemas would be used in the same document without conflicts?

Attributes

Predicates

Selectors

Namespaces

14. Given the <name> username </name> XML code, what is the information between the opening and closing tags called?

name node

data node

text node

element node

15. Which statement is correct about YAML?

YAML strings must have quotation marks.

YAML is not case-sensitive.

YAML files must start

YAML uses spaces for indentation

16. Which two statements about Junos PyEZ RPC(s) are correct? (Choose two.)

PyEZ RPCs return XML data

PyEZ RPCs can be used to view only the interface configuration

PyEZ RPCs can be used to view the active device configuration

PyEZ RPCs return CSV data

17. What will determine which data serialization format is used for interfacing with a system?

the system's API

the operating system

programming language version

IDE specifications

18. Ansible playbooks are written in which format?

YAML

Python

XML

JSON

19. Which two statements are correct about Junose PyEZ Tables and Views? (Choose two.)

PyEZ Tables and Views are defined using CS

The Juniper_Junos_config module enables the use of PyEZ Tables and Views.

The juniper_junos_table module enables the use of PyEZ Tables and Views.

PyEZ Tables and Views are defined using YAM

20. Exhibit

Referring to the exhibit, what is the output from the print(x) line?

[‘b’, ‘c’]

[‘b’, ‘c’, ‘d’]

[‘a’, ‘b’, ‘c’]

[‘a’, ‘b’]

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21. Which type of data is contained in the key of the JSON object shown in the exhibit?

string

name

integer

interface

22. Which two statements about DevOps are correct? (Choose two.)

DevOps is a methodology that allows for frequent, quick modifications

DevOps is a methodology that ensures that collaboration does not occur across organizational boundaries

DevOps is a methodology used to develop software or systems

DevOps is a methodology that is limited to small codebase development

23. Exhibit.

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

The connection to the Junos device is explicitly opened and closed.

The connection to the Junos device is automatically opened and closed.

The Junos configuration database is explicitly locked and unlocked.

The Junos configuration database is automatically locked and unlocked.

24. Which development model is the classic approach to software development?

Waterfall

Scrum

Kanban

Lean

25. What are two components of the Waterfall model of software development? (Choose two.)

a large volume of code changes between releases

a small volume of code changes between releases

a short interval of time between releases

a long interval of time between releases

26. Referring to the exhibit.

which two statements are correct? (Choose two.)

The retrieved configuration will be from the Junos candidate configuration.

The configuration will be retrieved in JSON format.

The configuration will be retrieved in XML format.

The retrieved configuration will be from the Junos active configuration.

27. Exhibit.

Referring to the exhibit, which XPath statement would retrieve the commit-user attribute in the candidate configuration?

configuration/@ junos: commit-user

configuration:@ junos: commit-user

configuration/junos: commit-user

configuration/commit-user

28. Which statement is correct about Ansible playbooks?

A playbook is a configuration file that defines the Ansible related parameters

A playbook contains one or more tasks written in XML

A playbook can contain multiple tasks and execute multiple Python modules

A playbook is a specific Python module that is executed on a host

29. Which two statements about Ansible are correct? (Choose two.)

Ansible can use a single playbook to configure devices from multiple vendors.

Ansible modules must be written in Go.

Ansible is an open source project.

Ansible requires a license to unlock full functionality.

30. What are two examples of XPath axes? (Choose two.)

grandchild

sibling

parent

grandparent

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31. Which Python operator tests two variables to see if they contain the same value?

!= =

= =

32. Exhibit.

Referring to the exhibit, which statement is correct?

The RPC execution output is saved to a file on the Ansible control machine

The RPC execution output is not saved

The RPC execution output is saved to a file on R1

The RPC execution output is saved to memory on R1

33. Which two programing languages would be used for on-box scripting with Junos devices? (Choose two.)

Python

Puppet

Ansible

XSLT

34. Why is a REST API considered stateless?

The client requests to the server do not include state information.

The REST API is an international AP

No client context is stored on the server between requests.

The state of the server is not important when making requests.

35. You are asked to write an automation script using Python. When you execute the script, you notice that your

code sends an RpcTimeoutError error.

In this scenario, what would be the reason for this error?

The Python script was not able to connect to the Juniper device

The Juniper device rejects the connection

The Juniper device took too long to reply to the RPC call

The RPC syntax is incorrect

36. Which code block shows valid YAML syntax?

Switches : -s1 s2 Switches: .{s1, s2}

Switches: ["s1", ''s2"]

Switches s1 s2

37. Which two Junos processes handle automation on Junos devices? (Choose two.)

mgd

chassid

rpd

jsd

38. Exhibit.

Referring to the exhibit, which two code blocks are an equivalent representation in JSON? (Choose two.)

{“Routers”:[“r1”,“r2”],“Switches”:[{“s1”:[{“interface”:“ge-0/0/0.0”}]}]}

{“routers”:[“r1”,“r2”],“switches”:[{“s1”:[{“interface”:“ge-0/0/0.0”}]}]}

39. Which character is used to separate multiple parameters in a single REST API call?

40. Exhibit.

Referring to the exhibit, which statement about REST is correct?

The device is configured to allow only two simultaneous REST connections.

The device is configured to allow connections from the REST API Explorer

The device is configured to allow HTTP connections on port 3030.

The device is configured to allow HTTPS connections on port 3443.