You have an Exchange Server 2010 organization named contoso.com.
Your organization contains the following:
. Two Client Access Servers named CAS1 and CAS2.
. A Client Access array named array1.contoso.com.
. An Outlook Anywhere external URL that is set to oa.contoso.com.
You need to issue an X.509 certificate for Outlook Anywhere on CAS1.contoso.com.
What domain name should you specify for the certificate?
A. *.contoso.com.
B. oa.contoso.com.
C. CAS1.contoso.com.
D. OWA.contoso.com.
