Multiple choice

Encryption and decryption is the responsibility of the __________________ layer.

  1. network

  2. presentation

  3. physical

  4. data link

  5. application
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct answer. This layer is responsible for encryption on the sender's side. This layer encrypts the data and sends out the resulted message over the network, and at the destination machine, this layer decrypts the message.

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