JN0-220 Online Practice Questions and Answers

Which statement is correct about Ansible? (Choose two.)

A. Ansible core modules for the Junos OS are developed by Ansible developers

B. Ansible Galaxy modules for the Junos OS are developed by Juniper Networks developers

C. Ansible Galaxy modules for the Junos OS and Ansible core modules for the Junos OS can coexist on the same control machine

D. Ansible Galaxy modules for the Junos OS and Ansible core modules for the Junos OS cannot coexist on the same control machine

Which statement is true about YAML?

A. YAML is a Unicode-based serialization language designed around common data types

B. YAML is designed around parsing speed over human readability

C. YAML is widely used on the Internet as a method to mode data between webservers and AJAX clients on Web browsers

D. YAML follows the lowest common denominator data types and requires simple processing between different programming environments

According to the Manifesto for Agile Software Development, what is a principle of this development practice?

A. Software development cycles should be based on a quarterly time frame

B. Software development cycles should be scheduled on an annual time frame

C. After the development cycle has begun, new software requirements should not be added

D. After the development cycle has begun, new software requirements can be added at any point

What are two XML elements of the NETCONF Message layer? (Choose two.)

A.

B.

C.

D.

Which two statements regarding NETCONF are true? (Choose two.)

A. NETCONF is a standardized protocol and works with multiple vendors' devices

B. NETCONF operations are processed by the jsd process

C. NETCONF is a proprietary protocol and works only with Junos devices

D. NETCONF operations are processed by the mgd process

Click the Exhibit button.

Which two actions are performed by the PyEZ Python script shown in the exhibit? (Choose two.)

A. It saves the current configuration as a rescue configuration only if one does not exist

B. It prints the rescue configuration if one already exists

C. It prints the rescue configuration after it has been replaced

D. It always saves the current configuration as a rescue

You have enabled REST API traceoptions on your Junos device. Where does Junos store the associated log files in this scenario?

A. /var/chroot/rest-api/var/log

B. /var/home

C. /var/tmp

D. /var/log

What is the default REST HTTPS port used on a Junos device?

A. 3000

B. 8443

C. 3443

D. 443

What does the statement "Ansible provides idempotent operations." mean?

A. The result of performing the operation once is exactly the same as the result of performing it repeatedly without any intervening actions.

B. The result of performing the operation once is not exactly the same as the result of performing it repeatedly without any intervening actions.

C. The result of performing the operation once will not allow the operation to be run again without any intervening actions to correct the failure.

D. The result of performing the operation once will not allow the operation to be run again without any intervening actions.

Which automation tool provides closed-loop automation and event-driven infrastructure?

A. Ansible

B. Salt

C. Chef

D. Puppet

Click the Exhibit button.

Referring to the exhibit, what is printed when you execute the python print (a[3]) command?

A. 2

B. 8

C. 0

D. 5

YAML was designed as a superset of which format?

A. XML

B. XSD

C. Ansible D. JSON

PyEZ is an extension library for which programming tool?

A. Ruby

B. Puppet

C. Chef

D. Python

You need to retrieve the last_reboot_reason value from a Junos device. Which Ansible Galaxy library module is used to accomplish this task?

A. juniper_junos_rpc

B. juniper_junos_config

C. juniper_junos_command

D. juniper_junos_facts

Click the Exhibit button.

Referring to the exhibit, what is being represented?

A. XML document

B. JSON document

C. Python coding

D. Ruby coding