You work as an administrator at ABC.com. The ABC.com network consists of a single Active Directory domain named ABC.com. All servers on the ABC.com network, including domain controllers, have Windows Server 2008 installed and all workstations have Windows 7 installed.

You have set Windows Server 2003 as the functional level of the ABC.com domain.

You have been tasked with joining a new Windows Server 2008 R2 server, named ABC-SR21, to the ABC.com domain. You are also instructed to perform this task while ABC-SR21 is offline.

Which of the following actions should you take?

A.
You should execute the djoin command-line tool from ABC-SR21, and then also execute the djoin command-line tool from a ABC.com workstation.

B.
You should execute the netdom command-line tool from ABC-SR21, and then also execute the djoin command-line tool from a ABC.com workstation.

C.
You should consider upgrading ABC.com’s domain controllers to Windows Server 2008 R2, and then also executing the djoin command-line tool from a ABC.com workstation.

D.
You should consider upgrading ABC.com’s domain controllers to Windows Server 2008 R2, and then also execute the netdom command-line tool from ABC-SR21.