Alex is tasked with installing a digital certificate for a Cisco VPN Client on a laptop for a user. What
is the reason that the certificate is in an “invalid:not active” state?

A.
The certificate passphrase must be sent to the CA for validation.

B.
The time on the CA server and the time on the laptop are out of sync.

C.
The certificate number of “0” indicates that the certificate has expired.

D.
The user has not clicked the Verify button within the Cisco VPN Client.