Certified Network Defender (CND) — Question 110

How many layers are present in the OSI layer model?

Answer options

• A. 5
• B. 4
• C. 7
• D. 9

Correct answer: C

Explanation

The OSI model is comprised of 7 distinct layers that define networking protocols and functions. Options A, B, and D do not reflect the accurate count of layers in the OSI model, making C the only correct answer.