Your network contains an Active Directory domain named contoso.com.
You need to install and configure the Web Application Proxy role service.
What should you do?

A.
Install the Active Directory Federation Services server role and the Remote Access server role on
different servers.

B.
Install the Active Directory Federation Services server role and the Remote Access server role on
the same server.

C.
Install the Web Server (IIS) server role and the Application Server server role on the same server.

D.
Install the Web Server (IIS) server role and the Application Server server role on different servers.

Explanation:
Web Application Proxy is a new Remote Access role service in Windows Server® 2012 R2.