【单选题】You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory...
A.
The best option is to set up a new Active Directory domain in the internal forest and then join all EdgeTransport servers to the new domain.
B.
The best option is to make use of Active Directory Federation Services (AD FS).
C.
The best option is to make use of Network Policy and Access Services (NPAS).
D.
The best option is to set up a new Active Directory domain in the perimeter network and then join all Edge Transport Servers to the new domain.