• 1 Marks

MI – Nov 2021 – L1 – SA – Q19 – Information Systems

Identify the OSI model layer responsible for data encryption.

Encryption and decryption of data is performed in
A. Presentation layer
B. Physical layer
C. Data link layer
D. Session layer
E. Network layer

A. Presentation layer

Explanation: In the OSI model, the Presentation layer is responsible for data encryption, decryption, compression, and formatting. Therefore, A is the correct answer.

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