Which topology requires a central controller (like a hub or switch) to manage data transmission? MCQ with Answer and Explanation

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Which topology requires a central controller (like a hub or switch) to manage data transmission?

A. Ring

B. Star

C. Mesh

D. Bus

Answer: Option B

Solution (By JKSSB Mock Tests)

Star topology relies on a central device to which all nodes connect.

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What is the purpose of a VLAN (Virtual LAN)?

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B. To logically segment a network without physical separation

C. To assign IP addresses

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Correct Answer: Option B

Explanation:
VLANs divide a physical network into multiple logical networks for better management and security.

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Question #2

An IPv4 address is composed of how many bits, and how are they typically formatted for human readability?

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C. 64 bits, divided into eight blocks separated by colons

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Correct Answer: Option D

Explanation:
An IPv4 address consists of 32 bits arranged into four 8-bit octets, represented in dotted-decimal format (e.g., 192.168.1.1).

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Question #3

What is the purpose of a router's routing table?

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Correct Answer: Option A

Explanation:
A routing table contains destination networks and the next hop to forward packets.

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