Cisco Exam Questions

What are two purposes of the X.509 Certificate Serial Number?

What are two purposes of the X.509 Certificate Serial Number? Choose two.

A.
It specifies the subject’s public key and hashing algorithm.

B.
It is used to identify the certificate during the IKE peer authentication process.

C.
It is a unique certificate numerical identifier in the CA domain.

D.
It is the certificate number that is listed on the CRL when the certificate is revoked.

E.
It identifies the CA’s public key and hashing algorithm.

F.
It specifies the start and expiration dates for the certificate.