JN0-220 Online Practice Questions and Answers

Which two statements are correct about XML? (Choose two.)

A. XML is used to send an event notification to a client

B. XML is used to issue Junos operational commands

C. XML is used to view or modify a Junos configuration

D. XML is used to create a communications session to a remote device

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

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

A. !=

B. != =

C. = =

D. =

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

A. JSON can be used to evaluate conditional statements

B. JSON can be used to perform programming loops

C. JSON can be used to structure data

D. JSON can be used to format data between a client and a server

Which statement is correct about Python?

A. Python automatically deletes unused objects from memory

B. The Python interpreter is written in Java

C. Python behavior is influenced by the host OS

D. Python code must be compiled on a Junos device

Your manager wants you to use Ansible to upgrade your Junos devices to the current JTAC supported release.

Which two modules would you use to accomplish this task? (Choose two.)

A. junos_package

B. junos_config

C. juniper_junos_system

D. juniper_junos_software

Which protocol supports the GET and POST methods?

A. HTTP

B. XML

C. JSON

D. YAML

Which service is needed for Ansible to function on a Junos device?

A. FTP

B. NETCONF

C. HTTPS

D. Telnet

Which development model is the classic approach to software development?

A. Waterfall

B. Scrum

C. Kanban

D. Lean