What is the primary purpose of a subnet mask in an IP network configuration? MCQ with Answer and Explanation

What is the primary purpose of a subnet mask in an IP network configuration?

A. To encrypt the physical payload fields.

B. To distinguish the network portion of an IP address from the host portion.

C. To assign a hardware address to an internal interface.

D. To route packets automatically between separate cities.

Answer: Option B

Solution (By JKExamLibrary)

The subnet mask uses binary masking to show which bits of an IP address indicate the network prefix and which bits identify the specific host device.

This question belongs to: Computer Computer Networking

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Practice More Computer Networking Questions

Question #1 Report Error

Which network type connects disparate computer terminals across massive geographical footprints, such as countries or continents, with the internet being the prime example?

A. MAN

B. LAN

C. WAN

D. PAN

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Correct Answer: Option C

Explanation:
A Wide Area Network (WAN) extends over a vast national or global geographic scope, stitching together multiple smaller regional networks.

This question belongs to: Computer Computer Networking