Which firewall rule should you enable on Server2?

Your network contains a server named Server1. Server1 has the Volume Activation Management Tool (VAMT) installed.

You need to activate Windows on a server named Server2 by using VAMT.

Which firewall rule should you enable on Server2?

A.
COM+ Network Access (DCOM-In)

B.
COM+ Remote Administration (DCOM-In)

C.
Remote Service Management (RPC)

D.
Windows Management Instrumentation (WMI-In)

Explanation:
Product key management with VAMT enables:

* Single local console to manage keys for Windows client, Windows Server and Office 2010
* Installation of the keys on remote managed systems through WMI
* Tracking remaining activations on MAKs3

Source: http://technet.microsoft.com/en-us/library/ff686876.aspx