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

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

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

What is the default REST HTTPS port used on a Junos device?

A. 3000

B. 8443

C. 3443

D. 443

What does the statement "Ansible provides idempotent operations." mean?

A. The result of performing the operation once is exactly the same as the result of performing it repeatedly without any intervening actions.

B. The result of performing the operation once is not exactly the same as the result of performing it repeatedly without any intervening actions.

C. The result of performing the operation once will not allow the operation to be run again without any intervening actions to correct the failure.

D. The result of performing the operation once will not allow the operation to be run again without any intervening actions.

The REST API retrieves data from a connected device in which two formats? (Choose two.)

A. XML

B. YAML

C. binary

D. JSON

Which statement is correct about Python?

A. The Python interpreter is written using the Visual Basic programming language

B. Python strictly enforces the use of indentation and white space

C. Python requires that you manually delete unused objects from memory

D. Python behavior is influenced by the host OS

YAML was designed as a superset of which format?

A. XML

B. XSD

C. Ansible D. JSON

Click the Exhibit button.

Referring to the exhibit, what is being represented?

A. XML document

B. JSON document

C. Python coding

D. Ruby coding