Which communication method uses optical fibers? MCQ with Answer and Explanation

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Which communication method uses optical fibers?

A. Light signals through glass cables

B. Satellite only

C. Wireless radio

D. Postal mail

Answer: Option A

Solution (By JKSSB Mock Tests)

Optical fiber communication uses light signals for high-speed data transmission.

This question belongs to: Geography GK Transport and Communication

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Practice More Transport and Communication Questions

Question #1

Which organization regulates telecom services in India?

A. TRAI

B. NHAI

C. IRDAI

D. SEBI

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Correct Answer: Option A

Explanation:
Telecom Regulatory Authority of India (TRAI) regulates telecommunications services in India.

This question belongs to: Geography GK Transport and Communication

Question #2

Which expressway is the first 8-lane access-controlled expressway in India?

A. Yamuna Expressway

B. Delhi-Gurugram Expressway

C. Mumbai-Pune Expressway

D. Agra-Lucknow Expressway

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Correct Answer: Option B

Explanation:
The Delhi-Gurugram Expressway was India's first 8-lane access-controlled expressway.

This question belongs to: Geography GK Transport and Communication

Question #3

Which transport mode is least polluting?

A. Roadways

B. Railways

C. Motorcycles

D. Airways

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Correct Answer: Option B

Explanation:
Railways are the most environmentally friendly mode of transport.

This question belongs to: Geography GK Transport and Communication

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