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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 84 of 100
84%
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Question
84
Past Paper
PPSC
Which is NOT a layer of the OSI model?
A
Physical layer
B
Process layer
C
Transport layer
D
Network layer
Correct Answer:
Option B — Process layer
Explanation:
The seven OSI layers do not include a Process layer.
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