What is the role of a firewall in a network? MCQ with Answer and Explanation

Question

Share Report Error

What is the role of a firewall in a network?

A. To boost signal

B. To assign IP addresses

C. To protect against unauthorized access

D. To route packets

Answer: Option C

Solution (By JKSSB Mock Tests)

Firewalls enforce security policies by blocking unauthorized traffic.

This question belongs to: Computer Computer Networking

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Computer Networking Questions

Question #1

Share Report

Which address class specifies an initial octet value spanning from 128 to 191 under traditional classful IP routing protocols?

A. Class A

B. Class B

C. Class C

D. Class D

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Class B IP addresses feature a first octet ranging from 128 to 191, typically mapped to medium-sized corporate networks.

This question belongs to: Computer Computer Networking

Question #2

Share Report

What is the primary advantage of a switch over a hub?

A. Longer reach

B. Lower cost

C. Supports more devices

D. No collisions due to dedicated bandwidth per port

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Switches create separate collision domains per port, eliminating collisions and improving performance.

This question belongs to: Computer Computer Networking

Question #3

Share Report

Which device is used to connect multiple computers in a LAN using twisted-pair cables?

A. Router

B. Hub or switch

C. Modem

D. Firewall

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Hubs and switches are used to interconnect devices within a LAN.

This question belongs to: Computer Computer Networking

Explore All Computer Networking MCQs