Juniper Automation and DevOps JN0-220 Questions & Answers

• Question 51:

  Which feature of Ansible provides encrypted files to house sensitive data such as login credentials and keys?

  A. Ansible default feature

  B. Ansible Vault

  C. Ansible Galaxy

  D. Ansible Tower

  Correct Answer: B

  Reference: https://docs.ansible.com/ansible/2.4/vault.html

• Question 52:

  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

  Correct Answer: A

  Reference: https://www.juniper.net/documentation/en_US/junos/information-products/pathway-pages/restapi/rest-api.pdf (50)

• Question 53:

  You are enabling HTTPS for the REST API on a Junos device. You are using a self-signed SSL certificate and must ensure that the commit does not fail.

  In this scenario, which certificate must be provided for HTTPS?

  A. client certificate

  B. server certificate

  C. PKI certificate

  D. SSH certificate

  Correct Answer: B

  Reference: https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/ server-certificate-edit-system-services-rest-https.html

• Question 54:

  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

  Correct Answer: AB

• Question 55:

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

  A. !=

  B. != =

  C. = =

  D. =

  Correct Answer: C

  Reference: https://www.programiz.com/python-programming/operators

• Question 56:

  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

  Correct Answer: AD

• Question 57:

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

  A.

  B.

  C.

  D.

  Correct Answer: CD

• Question 58:

  Click the Exhibit button.

  The exhibit demonstrates the output from which type of session?

  

  A. REST API

  B. Ansible

  C. PyEZ

  D. NETCONF

  Correct Answer: D

  Reference: https://www.ietf.org/mail-archive/web/netconf/current/msg05567.html

• Question 59:

  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

  Correct Answer: D

  Reference: https://www.agilealliance.org/agile101/12-principles-behind-the-agile-manifesto/

• Question 60:

  Which statement is true about using Ansible a Junos device?

  A. The Junos device does not have an Ansible agent installed

  B. SFTP must be used to allow communication between the Ansible control server and the Junos device

  C. An Ansible playbook is a set of tasks written in XML

  D. Ansible modules are copied and executed on the Junos device

  Correct Answer: D