Multiple choice general knowledge science & technology

How many layers are there in OSI model?

  1. 6

  2. 7

  3. 8

  4. 9
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The OSI (Open Systems Interconnection) model has 7 layers: Physical (1), Data Link (2), Network (3), Transport (4), Session (5), Presentation (6), and Application (7). This is a fundamental networking concept.

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