Your network contains an Active Directory domain. The network contains a standalone server that
runs Windows Server 2008 R2. The server has a static IP address. You need to configure the server as
a DHCP Relay Agent. What should you do first?

A.
Install the Health Registration Authority (HRA) role service on the server.

B.
Configure the server to use a dynamic IP address.

C.
Install the Routing and Remote Access service (RRAS) role service on the server.

D.
Join the server to the domain.

Explanation: