JN0-221 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Exhibit.

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

A.The device is configured to allow only two simultaneous REST connections.
B.The device is configured to allow connections from the REST API Explorer
C.The device is configured to allow HTTP connections on port 3030.
D.The device is configured to allow HTTPS connections on port 3443.

正解:

Question No : 2
Which character is used to separate multiple parameters in a single REST API call?

A.&
B.#
C.?
D.=

正解:
Explanation:
Reference: https://www.juniper.net/documentation/en_US/junos-space-sdk/13.1/apiref/ com.juniper.junos_space.sdk.help/html/reference/Commonbehav.html

Question No : 3
Exhibit.

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

A.{“Routers”:[“r1”,“r2”],“Switches”:[{“s1”:[{“interface”:“ge-0/0/0.0”}]}]}
B.{“routers”:[“r1”,“r2”],“switches”:[{“s1”:[{“interface”:“ge-0/0/0.0”}]}]}

正解:

Question No : 4
Which two Junos processes handle automation on Junos devices? (Choose two.)

A.mgd
B.chassid
C.rpd
D.jsd

正解:

Question No : 5
Which code block shows valid YAML syntax?

A.Switches : -s1 s2 Switches: .{s1, s2}
B.Switches: ["s1", ''s2"]
C.Switches s1 s2

正解:

Question No : 6
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?

A.The Python script was not able to connect to the Juniper device
B.The Juniper device rejects the connection
C.The Juniper device took too long to reply to the RPC call
D.The RPC syntax is incorrect

正解:

Question No : 7
Why is a REST API considered stateless?

A.The client requests to the server do not include state information.
B.The REST API is an international AP
C.No client context is stored on the server between requests.
D.The state of the server is not important when making requests.

正解:

Question No : 8
Which two programing languages would be used for on-box scripting with Junos devices? (Choose two.)

A.Python
B.Puppet
C.Ansible
D.XSLT

正解:

Question No : 9
Exhibit.

Referring to the exhibit, which statement is correct?

A.The RPC execution output is saved to a file on the Ansible control machine
B.The RPC execution output is not saved
C.The RPC execution output is saved to a file on R1
D.The RPC execution output is saved to memory on R1

正解:

Question No : 10
Which Python operator tests two variables to see if they contain the same value?

A.!=
B.!= =
C.= =
D.=

正解:

Question No : 11
What are two examples of XPath axes? (Choose two.)

A.grandchild
B.sibling
C.parent
D.grandparent

正解:
Explanation: Explanation
Reference: https://www.juniper.net/documentation/en_US/junos/topics/concept/junosscript-automation-xpathoverview.html

Question No : 12
Which two statements about Ansible are correct? (Choose two.)

A.Ansible can use a single playbook to configure devices from multiple vendors.
B.Ansible modules must be written in Go.
C.Ansible is an open source project.
D.Ansible requires a license to unlock full functionality.

正解:

Question No : 13
Which statement is correct about Ansible playbooks?

A.A playbook is a configuration file that defines the Ansible related parameters
B.A playbook contains one or more tasks written in XML
C.A playbook can contain multiple tasks and execute multiple Python modules
D.A playbook is a specific Python module that is executed on a host

正解:

Question No : 14
Exhibit.

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

A.configuration/@ junos: commit-user
B.configuration:@ junos: commit-user
C.configuration/junos: commit-user
D.configuration/commit-user

正解:
Explanation:

Question No : 15
Referring to the exhibit.

which two statements are correct? (Choose two.)

A.The retrieved configuration will be from the Junos candidate configuration.
B.The configuration will be retrieved in JSON format.
C.The configuration will be retrieved in XML format.
D.The retrieved configuration will be from the Junos active configuration.

正解:

Juniper JN0-221 問題練習