Answer:
A. S/MIME
B. TLS
F. IPSec
Explanation:
The protocols that supports the strategy and employs certificates generated by the PKI are;
1. S/MIME is an acronym for Secure/Multipurpose Internet Mail Extensions and it's a standard for public key protocol that allows us to encrypt and digitally sign electronic mails.
2. TLS is an acronym for Transport Layer Security and it is a cryptographic protocol that provides authentication, privacy and data integrity on a network, usually over the internet.
3. IPSec is an acronym for Internet Protocol Security and it is used for securing data or packet transmission over the internet.