What does DNS stand for? MCQ with Answer and Explanation

Question

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What does DNS stand for?

A. Domain Navigation System

B. Domain Name System

C. Digital Network Service

D. Data Naming Structure

Answer: Option B

Solution (By JKSSB Mock Tests)

DNS translates domain names into IP addresses.

This question belongs to: Geography GK Transport and Communication

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Question #1

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Which railway zone is headquartered in Kolkata?

A. Northern Railway

B. Eastern Railway

C. Western Railway

D. Southern Railway

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Correct Answer: Option B

Explanation:
Eastern Railway zone has its headquarters in Kolkata.

This question belongs to: Geography GK Transport and Communication

Question #2

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Which system is used for emergency communication?

A. Internet

B. Postal mail

C. Telegraph

D. Telephone

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Correct Answer: Option D

Explanation:
Telephones are widely used for emergency and real-time communication.

This question belongs to: Geography GK Transport and Communication

Question #3

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Which communication system is used for banking transactions online?

A. Internet

B. Postal service

C. Telegraph

D. Radio

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Correct Answer: Option A

Explanation:
Internet enables online banking and digital transactions.

This question belongs to: Geography GK Transport and Communication

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