Multiple choice

Which of the following uses hierarchically validated certificates, usually represented in X.509 format for key exchange?

  1. Digital signature

  2. DEK-info

  3. Record protocol

  4. Secure multipurpose internet mail extension

  5. Key-info

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It uses hierarchically validated certificates, usually represented in X.509 format for key exchange.