Which communication technology is most commonly used for real-time global video calls? MCQ with Answer and Explanation

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Which communication technology is most commonly used for real-time global video calls?

A. Postal mail

B. Internet-based VoIP

C. Email

D. Telegraph

Answer: Option B

Solution (By JKSSB Mock Tests)

Voice over Internet Protocol (VoIP) enables real-time global voice and video communication over the internet.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which railway station is the busiest in South India?

A. Bangalore City Junction

B. Hyderabad Deccan

C. Coimbatore Junction

D. Chennai Central

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Correct Answer: Option D

Explanation:
Chennai Central is one of the busiest stations in South India.

This question belongs to: Geography GK Transport and Communication

Question #2

Which transport system is considered the safest for long-distance bulk goods?

A. Motorcycles

B. Railways

C. Airways

D. Roadways

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Correct Answer: Option B

Explanation:
Railways are safer and more efficient for transporting bulk goods over long distances.

This question belongs to: Geography GK Transport and Communication

Question #3

Which major port is located on the banks of the Hooghly estuary?

A. Mormugao

B. Kochi

C. Kolkata

D. Paradip

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Correct Answer: Option C

Explanation:
Kolkata Port is situated on the Hooghly River estuary.

This question belongs to: Geography GK Transport and Communication

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