The basic tool that permits widespread use of S/MIME is ________.
A) the domain key
B) the public-key certificate
C) the MIME security payload
D) radix-64

Question

Quizplus · Accepted Answer

The public-key certificate is the basic tool that permits widespread use of S/MIME. It enables email clients to encrypt and digitally sign email messages. The certificate contains the public key of the email sender, which is used to encrypt the message, and the digital signature of a trusted third party, which provides authentication and verification of the sender's identity.

The Basic Tool That Permits Widespread Use of S/MIME Is