Which type of communication transmits information using electromagnetic waves? MCQ with Answer and Explanation

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Which type of communication transmits information using electromagnetic waves?

A. Courier Service

B. Messenger Service

C. Postal Communication

D. Electronic Communication

Answer: Option D

Solution (By JKSSB Mock Tests)

Electronic communication such as radio, television, and mobile communication uses electromagnetic waves.

This question belongs to: Geography GK Transport and Communication

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Question #1

What does URL stand for in internet communication?

A. Universal Reference Locator

B. Universal Routing Link

C. Unified Resource Link

D. Uniform Resource Locator

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Correct Answer: Option D

Explanation:
URL stands for Uniform Resource Locator, the address of a resource on the internet.

This question belongs to: Geography GK Transport and Communication

Question #2

Which transport system is most suitable for transporting petroleum and natural gas?

A. Railways

B. Airways

C. Roadways

D. Pipeline

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Correct Answer: Option D

Explanation:
Pipelines are the safest and most efficient way to transport liquids and gases like petroleum and natural gas.

This question belongs to: Geography GK Transport and Communication

Question #3

What does DNS stand for?

A. Data Naming Structure

B. Digital Network Service

C. Domain Navigation System

D. Domain Name System

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Correct Answer: Option D

Explanation:
DNS translates domain names into IP addresses.

This question belongs to: Geography GK Transport and Communication

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