Which topology is commonly used for fiber-optic networks? MCQ with Answer and Explanation

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Which topology is commonly used for fiber-optic networks?

A. Ring

B. Star

C. Bus

D. Mesh

Answer: Option B

Solution (By JKSSB Mock Tests)

Fiber-optic networks often use star topology with active switches or hubs.

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Question #1

Which protocol is used for reliable, connection-oriented data transmission?

A. ICMP

B. UDP

C. IGMP

D. TCP

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Correct Answer: Option D

Explanation:
TCP (Transmission Control Protocol) provides reliable, ordered, and error-checked delivery of data.

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Question #2

Which topology is a combination of two or more topologies?

A. Mesh topology

B. Ring topology

C. Star topology

D. Hybrid topology

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Correct Answer: Option D

Explanation:
Hybrid topology combines different topologies to meet specific network requirements.

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Question #3

What is the main difference between a hub and a switch?

A. Hub broadcasts to all ports; switch forwards to specific port based on MAC

B. Hub works at layer 3; switch at layer 2

C. Hub forwards data based on IP, switch based on MAC

D. Hub is intelligent; switch is not

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Correct Answer: Option A

Explanation:
A hub sends data to all ports, while a switch learns MAC addresses and sends only to the destination port.

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