FREE JNCIA Networking Fundamentals Questions and Answers

Question 1

What is the primary purpose of the OSI model?

Accepted Answer

Standardize networking protocols and communication

Answer

Define the structure of computer hardware

Answer

Identify hardware failures in a network

Answer

Create a physical network topology

Question 2

What does the term "default gateway" refer to?

Accepted Answer

The router that connects a local network to external networks

Answer

The main DNS server

Answer

The network firewall

Answer

A secondary IP address

Question 3

What is the purpose of subnetting?

Accepted Answer

To segment a network into smaller, manageable parts

Answer

To increase network speed

Answer

To reduce the number of IP addresses needed

Answer

To combine multiple networks into one

Question 4

Which Juniper device family primarily handles packet forwarding in a network?

Accepted Answer

MX Series

Answer

EX Series

Answer

SRX Series

Answer

PTX Series

Question 5

What is the function of ARP in networking?

Accepted Answer

Resolve IP addresses to MAC addresses

Answer

Assign IP addresses to devices

Answer

Establish a VPN connection

Answer

Encrypt data packets