[Update Feb 2022] Latest Automation and DevOps JN0-221 dumps exam material
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Read the latest Automation and DevOps JN0-221 dumps exam questions and answers online
| Number of exam questions | Exam name | From | Release time |
| 15 | Automation and DevOps, Associate | Lead4pass | Feb 02, 2022 |
New Question 1:
What is the advantage of using the REST API?
A. The REST API enables Junos devices to participate in other REST management system environments
B. The REST API is enabled by default on all Junos devices
C. By default, the REST API retrieves data from a Junos device in CSV format
D. By default, the REST API retrieves data from a Junos device in HTML format
Correct Answer: C
New Question 2:
Which code format is a valid example of an HTTPS get-interface-information method using the default port?
A. https://172.25.11.1:8443/api/get-interface-information
B. https://172.25.11.1:3443/get-interface-information
C. https://172.25.11.1:3443/rpc/get-interface-information
D. https://172.25.11.1/api/get-interface-information:3443
Correct Answer: C
New Question 3:
Click the Exhibit button.
Which command produces the output shown in the exhibit?
A. user@router> show version | display xml
B. user@router# show version | display xml
C. user@router> show version | display json
D. user@router> show version | display xml rpc
Correct Answer: A
New Question 4:
Junos PyEZ is a microframework used to operate the Junos OS using which language?
A. Puppet
B. Chef
C. Python
D. Ruby
Correct Answer: C
Reference: https://www.juniper.net/documentation/en_US/junos-pyez/topics/concept/junos-pyezoverview.html#:~:text=Junos%20PyEZ%20is%20a%20microframework,operating%20system%20(Junos% 20OS).
New Question 5:
Click the Exhibit button.
Referring to the exhibit, this snippet of code would represent which type of data?
A. JSON object
B. JSON array
C. YAML sequence
D. YAML mapping
Correct Answer: A
New Question 6:
Click the Exhibit button.
Referring to the exhibit, which two code blocks are an equivalent representation in JSON? (Choose two.)
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: BD
New Question 7:
What is the default port for NETCONF connections over SSH?
A. 22
B. 830
C. 443
D. 8080
Correct Answer: A
Reference: https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/port-edit-system-services-netconf.html#:~:text=The%20default%20SSH%20port%20(22,in%20the% 20login%20event%20script
New Question 8:
What is a valid JSON object?
A. “hostname:vmx-1”
B. { “hostname”: “vmx-1”}
C. [“vmx-1:172.25.11.1”]
D. {“vmx-1”, “172.25.11.1”}
Correct Answer: A
Reference: https://www.juniper.net/documentation/en_US/day-one-books/DO_Automating_SALT.pdf (53)
New Question 9:
Click the Exhibit button.
Referring to the exhibit, what will be two results of this playbook before saving it to a file? (Choose two.)
A. to include everything but the system/services
B. to retrieve the committed configuration
C. to include only the system/services
D. to retrieve the candidate configuration
Correct Answer: BC
New Question 10:
Which statement about element nodes is correct?
A. Only a single root element node is allowed
B. Element nodes only consist of a single line of code
C. Element nodes cannot be nested in other element nodes
D. Only the root element node can contain other element nodes
Correct Answer: B
New Question 11:
Which statement is correct about Infrastructure as Code (IaC)?
A. It is an infrastructure that runs identical operating systems
B. It is an infrastructure where devices are entirely virtualized
C. It is an infrastructure that is used for beta code testing
D. It is an infrastructure where devices are managed like software
Correct Answer: D
Reference: https://www.vmware.com/topics/glossary/content/infrastructure-as-code
New Question 12:
Which two Python packages use NETCONF to interact with Junos devices? (Choose two.)
A. numpy
B. jsnapy
C. junos-eznc
D. pyyaml
Correct Answer: BC
New Question 13:
Click the Exhibit button.
>>> print(hardware_count)
{`MX960\’:10, `SRX300\’: 22, `QFX5100\’: 4}
Referring to the exhibit, what is the correct method to retrieve the value associated only with “MX960”?
A. hardware_count.keys()
B. hardware_count.values()
C. hardware_count[0]
D. hardware_count[“MX960”]
Correct Answer: A
New Question 14:
Which two processes does Junos automation use? (Choose two.)
A. chassisd
B. jsd
C. dcd
D. mgd
Correct Answer: BD
Reference: https://coggle.it/diagram/XW0atWn5-1ccZJer/t/junos-automation-stack
New Question 15:
According to the Manifesto for Agile Software Development, what is the highest priority?
A. continuous attention to technical excellence and good design enhances the quality
B. a well-documented statement of work created before the development cycle begins
C. on-time software releases based on a quarterly or semi-annual time frame
D. customer satisfaction obtained through continuous delivery of valuable software
Correct Answer: D
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