Discussion
Encryption and decryption are the functions of
Answer: B
Encryption and decryption are functions of the Presentation layer.
In the OSI model, layer 6, the presentation layer, deals with how data is represented: translation between formats, encryption and decryption, and compression.
The session layer manages dialogues and synchronisation, and the transport layer provides end-to-end delivery and flow control, so neither is the OSI home of encryption.
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