Multiple choice

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

  1. DEK-info

  2. Key-info

  3. Digital signature

  4. Record protocol

  5. Secure multipurpose internet mail extension

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

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