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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 87 of 100
87%
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00:00
Question
87
Past Paper
PPSC
Which OSI layer provides end-to-end communication and error handling?
A
Physical layer
B
Transport layer
C
Session layer
D
Data Link layer
Correct Answer:
Option B — Transport layer
Explanation:
The Transport layer provides end-to-end delivery, segmentation, flow control, and error recovery.
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