FREE JNCIA Junos OS Fundamentals Questions and Answers

Question 1

What is the primary function of the Junos OS?

Accepted Answer

Serve as a modular and scalable network operating system

Answer

Provide a GUI for network management

Answer

Encrypt network traffic

Answer

Optimize wireless connections

Question 2

Which component is responsible for controlling and managing the Junos OS?

Accepted Answer

Routing Engine (RE)

Answer

Packet Forwarding Engine (PFE)

Answer

Firewall Filter

Answer

Control Plane

Question 3

How is the Junos OS configuration organized?

Accepted Answer

A hierarchical structure

Answer

Flat text files

Answer

JSON objects

Answer

XML-based templates

Question 4

What command is used to enter configuration mode in Junos OS?

Accepted Answer

configure

Answer

enable

Answer

edit

Answer

set

Question 5

In Junos OS, what is the purpose of the commit command?

Accepted Answer

Apply the candidate configuration to the active configuration

Answer

Save the current configuration to an external file

Answer

View pending changes

Answer

Revert to the default configuration