What is the maximum distance covered by a typical WAN? MCQ with Answer and Explanation

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What is the maximum distance covered by a typical WAN?

A. Up to 1 km

B. Up to 100 km

C. Up to 10 km

D. Up to 1000 km or more

Answer: Option D

Solution (By JKSSB Mock Tests)

WAN (Wide Area Network) spans large geographical areas, often countries or continents.

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Question #1

Which device can be used to extend the length of a network segment by regenerating the signal?

A. Repeater

B. Switch

C. Gateway

D. Router

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Correct Answer: Option A

Explanation:
A repeater amplifies and regenerates signals to extend the distance of a network.

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Question #2

What is a collision domain?

A. A domain where IP addresses are assigned

B. A broadcast domain

C. A set of network devices where collisions can occur

D. A group of routers

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Correct Answer: Option C

Explanation:
A collision domain is a network segment where packets can collide with each other if transmitted simultaneously.

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Question #3

What is the purpose of a subnet mask?

A. To resolve domain names

B. To define the network portion and host portion of an IP address

C. To assign MAC addresses

D. To encrypt data

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Correct Answer: Option B

Explanation:
A subnet mask separates the IP address into network and host bits.

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