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Following are some reference material for actual Juniper JN0-220 exam test
| Section | Objectives |
|---|---|
| Topic 1: APIs and Network Automation | - REST APIs usage - NETCONF and XML basics |
| Topic 2: Programming and Scripting | - Python basics for network automation - Data formats: JSON and YAML |
| Topic 3: Automation Fundamentals | - DevOps principles and workflows - Automation concepts in network operations |
| Topic 4: Juniper Automation Tools | - Junos automation using PyEZ - Event scripts and commit scripts |
| Topic 5: Version Control and CI/CD | - Git fundamentals - CI/CD pipeline concepts |
Question 1
Which statement is correct about Python variables once they are created?
A. A global variable can only be used by functions that are defined later
B. A global variable can be used by any function within the script
C. A global can only be used within the function that created it
D. All variables in Python can be used by any function within the script
Question 2
What are two data structures in JSON? (Choose two.)
A. objects
B. array
C. string
D. number
Question 3
You are asked to gather interface information from a Junos device. Your environment supports the JSON format. To determine how interface information is represented, you decide to view all of the configured interface key-value pairs in the current Junos candidate configuration.
In this scenario, which command will provide the information that you need?
A. user@router# show interfaces | except json
B. user@router# show interfaces | find json
C. user@router# show interfaces | match json
D. user@router# show interfaces | display json
Question 4
Which two statements are true about data structures? (Choose two.)
A. YAML follows the lowest common denominator data types and requires simple processing between different programming environments
B. JSON is simple to generate and parse, though human readability is sacrificed
C. YAML is human readable and supports serializing arbitrary native data structures
D. JSON is language dependent, which uses conventions that are familiar to programmers of languages like C, C++, Java, Perl, and Python
Question 5
What is the correct command to enable the REST API Explorer on a Junos device?
A. set system services rest enable-explorer
B. set system services rest http
C. set system services web-management webapi https default-certificate
D. set system services web-management http
Solutions:
| Question 1 Answer: A | Question 2 Answer: A,B | Question 3 Answer: D | Question 4 Answer: C,D | Question 5 Answer: A |
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