An Enterprise Vault administrator intends to secure IMAP connections using SSL.
What are two requirements for the SSL certificate? (Select two.)

A.
A certificate signing request (CSR) must be sent to Symantec VeriSign.

B.
The certificate must be in PEM format.

C.
It must be a Subject Alternate Name (SAN) certificate.

D.
The certificate must be Base64 encoded.

E.
The certificate must be in p7b format.