You need to recommend a certificate for the external interface of the Edge pool. Which certificate should you recommend?

A.
a certificate that contains one FQDN from the internal CA

B.
a certificate that contains a wildcard from the internal CA

C.
a certificate that contains multiple FQDNs from a trusted third-party CA

D.
a certificate that contains a wildcard from a trusted third-party CA

Explanation:
Certificate Requirements for External User Access (http://technet.microsoft.com/en-us/library/gg398920.aspx)