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PPSC Past Paper 2026 (Computer Operator)
PPSC · 2025 · Practice with instant answers and explanations
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100 Past Paper MCQs
Question 86 of 100
86%
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00:00
Question
86
Past Paper
PPSC
Which topology is most vulnerable to failure of a single central hub?
A
Star topology
B
Mesh topology
C
Bus topology
D
Ring topology
Correct Answer:
Option A — Star topology
Explanation:
In a star topology every device depends on the central hub or switch, so its failure disrupts the network.
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