A network security administrator is worried about potential man-in-the-middle attacks when users access acorporate web site from their workstations. Which of the following is the best remediation against this type of
attack?

A.
Implementing server-side PKI certificates for all connections

B.
Mandating only client-side PKI certificates for all connections

C.
Requiring client and server PKI certificates for all connections

D.
Requiring strong authentication for all DNS queries