Which communication protocol is primarily used for sending emails? MCQ with Answer and Explanation

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Which communication protocol is primarily used for sending emails?

A. TCP

B. FTP

C. HTTP

D. SMTP

Answer: Option D

Solution (By JKSSB Mock Tests)

SMTP (Simple Mail Transfer Protocol) is used for sending electronic mail.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which communication system is used in emergency disaster alerts?

A. Courier service

B. Railways

C. Postal service

D. Satellite communication

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Correct Answer: Option D

Explanation:
Satellite communication is used for quick and wide-reaching disaster alerts.

This question belongs to: Geography GK Transport and Communication

Question #2

Which city is the headquarters of the Dedicated Freight Corridor Corporation of India Limited (DFCCIL)?

A. Noida

B. Mumbai

C. New Delhi

D. Lucknow

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Correct Answer: Option C

Explanation:
DFCCIL is headquartered in New Delhi and implements dedicated freight corridors.

This question belongs to: Geography GK Transport and Communication

Question #3

Which communication satellite series of India is used for broadcasting and meteorology?

A. Cartosat

B. IRS

C. RISAT

D. INSAT

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Correct Answer: Option D

Explanation:
INSAT satellites are used for communication, broadcasting, and weather forecasting.

This question belongs to: Geography GK Transport and Communication

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