Multiple choice

Which encryption protocol provides network layer confidentiality?

  1. IPsec protocol suite

  2. Secure Sockets Layer

  3. Message Digest 5

  4. Secure Hash Algorithm 1
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A Correct answer
Explanation

IPsec is a suite of protocols designed to provide security at the network layer, including confidentiality through encryption. SSL/TLS operates at the transport/application layer, while MD5 and SHA-1 are hashing algorithms, not encryption protocols.

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