In computer networking, what does the term 'Half-Duplex' communication imply? MCQ with Answer and Explanation

In computer networking, what does the term 'Half-Duplex' communication imply?
A. Data can travel in both directions, but only one direction at a time.
B. Data can travel in only one direction permanently.
C. Data is transmitted using double the standard frequency band.
D. Data can travel in both directions simultaneously.
Answer: Option A
Solution (By JKExamLibrary)
Half-duplex systems allow bidirectional traffic, but devices must alternate sending and receiving to avoid collisions (e.g., walkie-talkies).

This question belongs to: Computer Computer Networking

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Question #1 Report Error
What does the term packet refer to in networking?
A. A unit of data at the physical layer
B. A unit of data at the application layer
C. A unit of data at the network layer
D. A unit of data at the data link layer

Correct Answer: Option C


Explanation:
A packet is a formatted unit of data at the network layer (layer 3).

This question belongs to: Computer Computer Networking
Question #2 Report Error
Which type of network spans an entire city or metropolitan municipal district, linking multiple business offices and schools together?
A. WAN
B. LAN
C. MAN
D. PAN

Correct Answer: Option C


Explanation:
A Metropolitan Area Network (MAN) is optimized to connect resources across city-wide or regional municipal scopes.

This question belongs to: Computer Computer Networking
Question #3 Report Error
Which type of network spans across multiple office locations in different cities or states, typically requiring leased telecommunication lines?
A. LAN
B. PAN
C. MAN
D. WAN

Correct Answer: Option D


Explanation:
A Wide Area Network (WAN) connects separate business branches across regional, national, or global boundaries.

This question belongs to: Computer Computer Networking