Discuss Forum
1.
Which of the following is not in OSI model?
- A. Physical layer
- B. Physical layer
- C. Physical layer
- D. Physical layer
Answer: Option B
Explanation:
Layer 7 – Application
Layer 6 – Presentation
Layer 5 – Session
Layer 4 – Transport
Layer 3 – Network
Layer 2 – Data Link
Layer 1 – Physical
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