Consider this scenario. When users attempt to connect via a Cisco AnyConnect VPN session, the certificate has changed and the connection fails.
What is a possible cause of the connection failure?

A.	An invalid modulus was used to generate the initial key.
B.	The VPN is using an expired certificate.
C.	The Cisco ASA appliance was reloaded.
D.	The Trusted Root Store is configured incorrectly.