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The Automation and DevOps certification track enables you to demonstrate competency in common scripting languages and tools for automating device and network functions. JNCIA-DevOps, the associate-level certification in this track, is designed for networking professionals with introductory-level knowledge of automation tools and best practices. The written exam for the certification verifies your understanding of DevOps and automation concepts as they pertain to Juniper devices and solutions.

Exam Code: JN0-223

Prerequisite Certification: None

Delivered by Pearson VUE

Exam Length: 90 minutes

Exam Type: 65 multiple-choice questions

Software Versions: Junos 22.1,Python 3.6+,PyEZ 2.5.4

Automation tools

Automation frameworks

Automation APIs

DevOps culture, practices, and tools

XML concepts and syntax

XPath concepts and syntax

NETCONF concepts

XML API concepts and syntax

YAML

JavaScript Object Notation (JSON)

Syntax and concepts

Junos Snapshot Administrator (JSNAPy)

Jinja2

Remote Procedure Calls (RPCs)

PyEZ exception handling

Device status and configuration handling

Junos REST API

Junos REST API Explorer

Client URL (cURL) access for the REST API

1. Which statement is correct about XML element nodes?

A.  The element node is the value assigned within an opening and closing tag pair.

B.  An element node cannot be nested with another element node.

C.  The element node is defined by the first opening and closing tag pair of the XML document.

D.  An element node consists of everything between an opening and closing tag pair.

Answer: D

2. What are two advantages of the DevOps approach to network automation? (Choose two.)

A.  to lower cost

B.  to improve quality

C.  to perform manual configuration tasks

D.  to rotate job roles

Answer: A, B

 

3. Ansible playbooks are written in which format?

A.  JSON

B.  XML

C.  YAML

D.  Python

Answer: C

 

4. Which code format is a valid example of an HTTP GET method?

A.  protocol:port//device/procedure/rpc

B.  protocol://device:port/procedure/rpc

C.  protocol://device:port/rpc/procedure

D.  protocol:port//device/rpc/procedure

Answer: C

5. What is required to enable the Junos OS to accept NETCONF sessions on port 830?

A.  Initiate an event with the <create-subscription> command.

B.  Define the port number that NETCONF will use.

C.  Purchase a NETCONF license.

D.  Enable NETCONF using the set system services netconf ssh command.

Answer: D

6. You are asked to create a playbook that will be able to run the get_system_alarm_information remote procedure call.

Which Ansible Galaxy module would you use to accomplish this task?

A.  juniper_junos_config

B.  juniper_junos_command

C.  juniper_junos_system

D.  juniper_junos_rpc

Answer: D

 

7. What represents the Infrastructure as Code workflow?

A.  Code > Version Control > Code Review > Integrate > Deploy

B.  Code > Version Control > Code Review > Deploy > Integrate

C.  Code > Code Review > Version Control > Integrate > Deploy

D.  Code > Code Review > Integrate > Version Control > Deploy > Integrate

Answer: A

8. Which two statements about the waterfall model of software development are true? (Choose two.)

A.  One phase of development must be completed before the next phase can start.

B.  Multiple phases of development can be worked on simultaneously, everything must be finished before production.

C.  This method lacks flexibility.

D.  This method provides a way to make changes quickly and add new features on demand.

Answer: A, C