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

The OSI model provides a framework to standardize how different networking protocols and systems communicate.

Question 2

What does the term "default gateway" refer to?

Accepted Answer

The router that connects a local network to external networks

Answer

The default gateway is used to send traffic from a local network to destinations outside the local subnet.

Question 3

What is the purpose of subnetting?

Accepted Answer

To segment a network into smaller, manageable parts

Answer

Subnetting improves network efficiency and security by dividing a larger network into smaller subnets.

Question 4

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

Accepted Answer

MX Series

Answer

The MX Series devices are service routers optimized for packet forwarding and routing.

Question 5

What is the function of ARP in networking?

Accepted Answer

Resolve IP addresses to MAC addresses

Answer

ARP (Address Resolution Protocol) maps an IP address to its corresponding MAC address for communication within a network.

JNCIA - Juniper Networks Certified Internet Associate Practice Test