Which network topology uses a backbone cable to which all devices are connected via drop lines? MCQ with Answer and Explanation

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Which network topology uses a backbone cable to which all devices are connected via drop lines?

A. Mesh

B. Star

C. Bus

D. Ring

Answer: Option C

Solution (By JKSSB Mock Tests)

Bus topology uses a single backbone cable and each device connects to it via a drop line.

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Question #1

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

A. Stores domain name mappings

B. Stores MAC addresses

C. Stores IP addresses and next-hop information for forwarding packets

D. Stores security policies

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Correct Answer: Option C

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

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Question #2

What is the maximum distance covered by a typical WAN?

A. Up to 10 km

B. Up to 1000 km or more

C. Up to 100 km

D. Up to 1 km

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Correct Answer: Option B

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

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Question #3

What is the range of dynamic ports in TCP/UDP?

A. 49152-65535

B. 1024-49151

C. 0-1023

D. 1-65535

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Correct Answer: Option A

Explanation:
Dynamic or private ports are from 49152 to 65535, used for temporary sessions.

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