A company is concerned that a compromised certificate may result in a man-in-the-middle attack
against backend financial servers. In order to minimize the amount of time a compromised
certificate would be accepted by other servers, the company decides to add another validation
step to SSL/TLS connections. Which of the following technologies provides the FASTEST
revocation capability?

A.
Online Certificate Status Protocol (OCSP)

B.
Public Key Cryptography (PKI)

C.
Certificate Revocation Lists (CRL)

D.
Intermediate Certificate Authority (CA)