What is a disadvantage of a bus topology? MCQ with Answer and Explanation

What is a disadvantage of a bus topology?
A. Requires active hubs
B. High cost
C. Complex cabling
D. Difficult to troubleshoot
Answer: Option D
Solution (By JKSSB Mock Tests)
Bus topology can be difficult to troubleshoot because a single faulty node or cable can affect the entire network.

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Practice More Computer Networking Questions

Question #1
Which topology design provides an exceptionally robust environment where the failure of any single connection line affects only the device connected to that specific line?
A. Star Topology
B. Linear Topology
C. Ring Topology
D. Bus Topology

Correct Answer: Option A


Explanation:
In a star topology, each node uses an isolated cable run to connect to a central switch. A break in one cable only disconnects that specific device.

This question belongs to: Computer Computer Networking
Question #2
Which device converts digital computer data into analog waveforms for transmission over older telephone lines, and decodes them back upon arrival?
A. Bridge
B. Switch
C. Modem
D. Router

Correct Answer: Option C


Explanation:
A modem modulates digital signals into analog waves for transmission over phone lines, and demodulates them back into digital data at the receiving end.

This question belongs to: Computer Computer Networking
Question #3
What is the total number of hexadecimal characters used to write out a standard 48-bit MAC address string?
A. 12 characters
B. 8 characters
C. 16 characters
D. 32 characters

Correct Answer: Option A


Explanation:
A 48-bit MAC address is represented by 12 hexadecimal characters arranged in 6 pairs (e.g., AA:BB:CC:DD:EE:FF).

This question belongs to: Computer Computer Networking