Which technology enables communication between devices over short distances without internet? MCQ with Answer and Explanation

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Which technology enables communication between devices over short distances without internet?

A. DTH

B. VSAT

C. Bluetooth

D. PIN

Answer: Option C

Solution (By JKSSB Mock Tests)

Bluetooth enables short-range wireless communication between electronic devices.

This question belongs to: Geography GK Transport and Communication

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Question #1

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Which communication system is used for disaster warning systems in coastal areas?

A. Courier services

B. Postal services

C. Satellite communication

D. Railways

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Correct Answer: Option C

Explanation:
Satellite systems are used to send early warnings for cyclones and disasters.

This question belongs to: Geography GK Transport and Communication

Question #2

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Which port is located at the confluence of Vembanad Lake and the Arabian Sea?

A. Tuticorin Port

B. Chennai Port

C. Kochi Port

D. Mormugao Port

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Correct Answer: Option C

Explanation:
Kochi Port is strategically located where Vembanad Lake meets the Arabian Sea.

This question belongs to: Geography GK Transport and Communication

Question #3

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Which Indian railway system operates suburban trains in Mumbai?

A. Freight Corridor

B. Mumbai Suburban Railway

C. Konkan Railway

D. Metro Rail

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Correct Answer: Option B

Explanation:
Mumbai Suburban Railway is one of the busiest commuter rail networks in the world.

This question belongs to: Geography GK Transport and Communication

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