JN0-223 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
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 : 2
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 : 3
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 : 4
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 : 5
Which Python operator tests two variables to see if they contain the same value?

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

正解:

Question No : 6
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 : 7
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 : 8
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 : 9
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:

Question No : 10
What are two components of the Waterfall model of software development? (Choose two.)

A.a large volume of code changes between releases
B.a small volume of code changes between releases
C.a short interval of time between releases
D.a long interval of time between releases

正解:

Question No : 11
Which development model is the classic approach to software development?

A.Waterfall
B.Scrum
C.Kanban
D.Lean

正解:
Explanation: https://searchsoftwarequality.techtarget.com/definition/waterfall-model

Question No : 12
Exhibit.

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

A.The connection to the Junos device is explicitly opened and closed.
B.The connection to the Junos device is automatically opened and closed.
C.The Junos configuration database is explicitly locked and unlocked.
D.The Junos configuration database is automatically locked and unlocked.

正解:

Question No : 13
Which two statements about DevOps are correct? (Choose two.)

A.DevOps is a methodology that allows for frequent, quick modifications
B.DevOps is a methodology that ensures that collaboration does not occur across organizational boundaries
C.DevOps is a methodology used to develop software or systems
D.DevOps is a methodology that is limited to small codebase development

正解:
Explanation:
Reference: https://www.juniper.net/us/en/products-services/what-is/devnetops/

Question No : 14
Which type of data is contained in the key of the JSON object shown in the exhibit?

A.string
B.name
C.integer
D.interface

正解:

Question No : 15
Exhibit

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

A.[‘b’, ‘c’]
B.[‘b’, ‘c’, ‘d’]
C.[‘a’, ‘b’, ‘c’]
D.[‘a’, ‘b’]

正解:

Juniper JN0-223 問題練習