Juniper Automation and DevOps JN0-221 Questions & Answers

• Question 1:

  Click the Exhibit button.

  

  Referring to the exhibit, which XML XPath expression will only show the IP address XML elements?

  A. //address/name

  B. //name

  C. /name

  D. /address/name

  Correct Answer: D

• Question 2:

  While conducting an automation test, you must issue a command using the curl tool to request the text formatted output from the show interfaces ge-0/0/0 terse command.

  In this scenario, which command would you use?

  A. curl –u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-informationandformat=textandinterfacename=ge-0/0/0andterse="

  B. curl –u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information@interface-name=ge0/0/0?terse="

  C. curl –u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information@format=textandinterfacename=ge-0/0/0?terse="

  D. curl –u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information@format=text?interfacename=ge-0/0/0andterse="

  Correct Answer: B

• Question 3:

  Which code block shows valid YAML syntax?

  A. Switches:

  -s1

  -s2

  B. Switches: s1 s2

  C. Switches: {s1, s2}

  D. Switches: ["s1", "s2"]

  Correct Answer: B

• Question 4:

  Which two programing languages would be used for on-box scripting with Junos devices? (Choose two.)

  A. Ansible

  B. Python

  C. XSLT

  D. Puppet

  Correct Answer: BC

  Reference: https://eng.juniper.net/site/global/build/operating_system/junos/management_plane/ on_box_automation/index.gsp

• Question 5:

  Which character is used to separate multiple parameters in a single REST API call?

  A. and

  B. #

  C. ?

  D. =

  Correct Answer: A

  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 6:

  Which Junos system process handles NETCONF automation commands?

  A. snmpd

  B. eventd

  C. mgd

  D. jsd

  Correct Answer: BC

  Reference: https://www.oreilly.com/library/view/automating-junos-administration/9781491928875/ ch01.html

• Question 7:

  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

  Correct Answer: AD

  Reference: https://resources.whitesourcesoftware.com/blog-whitesource/sdlc-software-development-lifecycle

• Question 8:

  What is the purpose of an XSD file?

  A. to define the allowed elements and hierarchy of an XML document

  B. to define the scripting language of an XML document

  C. to define the security and access permissions for an XML document

  D. to define the shortcuts that can be used in an XML document

  Correct Answer: A

  Reference: https://www.proficomms.cz/files/datasheets/Juniper/junosos.pdf (p.4)

• Question 9:

  Which two statements about Junos PyEZ RPC(s) are correct? (Choose two.)

  A. PyEZ RPCs return XML data

  B. PyEZ RPCs can be used to view only the interface configuration

  C. PyEZ RPCs can be used to view the active device configuration

  D. PyEZ RPCs return CSV data

  Correct Answer: AB

• Question 10:

  Which two tools should be used to test REST APIs? (Choose two.)

  A. curl

  B. Puppet

  C. Chef

  D. Postman

  Correct Answer: AD

  Reference: https://rickmur.com/using-the-junos-space-rest-api/