Multiple choice technology security

In the below which of the following are true in case of RSA and Diffie-Hellman Protocol? i)    RSA is an Encryption protocol and Key exchange protocol ii)   RSA is an encryption protocol/Signing Protocol iii)  Diffie-Hellman is an Encryption protocol iv) Diffie-Hellman is only a key exchange protocol

  1. i&ii

  2. ii

  3. iii&iv

  4. iv
Reveal answer Fill a bubble to check yourself
B,D Correct answer
Explanation

RSA provides encryption and digital signatures (statement ii is true), but is not primarily a key exchange protocol (statement i is false). Diffie-Hellman is exclusively a key exchange protocol (statement iv is true), not an encryption protocol (statement iii is false).

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