Which communication system is widely used for international internet data transfer? MCQ with Answer and Explanation

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Which communication system is widely used for international internet data transfer?

A. Telegraph lines

B. Radio towers

C. Submarine optical fiber cables

D. Satellite only

Answer: Option C

Solution (By JKSSB Mock Tests)

Submarine optical fiber cables carry most of the world's international internet traffic.

This question belongs to: Geography GK Transport and Communication

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Which transport system is used for short distance urban travel?

A. Waterways

B. Metro rail

C. Cargo trains

D. Airways

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Correct Answer: Option B

Explanation:
Metro rail is used for short-distance urban commuting.

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Question #2

The Chenab Rail Bridge is located in which Union Territory?

A. Chandigarh

B. Delhi

C. Ladakh

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Correct Answer: Option D

Explanation:
The Chenab Rail Bridge in Jammu and Kashmir is the world's highest railway arch bridge.

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Which device is used to convert digital signals into analog signals for transmission over telephone lines?

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Correct Answer: Option D

Explanation:
A modem modulates and demodulates signals, converting digital data into analog signals and vice versa.

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