Which communication device connects multiple computers within a LAN? MCQ with Answer and Explanation

Which communication device connects multiple computers within a LAN?
A. Printer
B. Switch
C. Projector
D. Scanner
Answer: Option B
Solution (By JKExamLibrary)
A network switch connects devices within a local area network.

This question belongs to: Geography GK Transport and Communication

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Practice More Transport and Communication Questions

Question #1 Report Error
Which railway service is used mainly for transporting goods?
A. Passenger trains
B. Shatabdi Express
C. Metro trains
D. Freight trains

Correct Answer: Option D


Explanation:
Freight trains are dedicated to transporting goods across long distances.

This question belongs to: Geography GK Transport and Communication
Question #2 Report Error
Which communication medium uses radio waves for broadcasting?
A. Television and radio
B. Courier services
C. Fiber optics
D. Postal mail

Correct Answer: Option A


Explanation:
Radio and television broadcasting use radio waves for transmission.

This question belongs to: Geography GK Transport and Communication
Question #3 Report Error
Which communication technology enables machine-to-machine communication in IoT devices?
A. M2M Communication
B. Telegraph
C. Postal Service
D. DTH

Correct Answer: Option A


Explanation:
Machine-to-Machine (M2M) communication forms the basis of many IoT applications.

This question belongs to: Geography GK Transport and Communication