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.
Answer is A.
Install the Active Directory Federation Services server role and the Remote Access server role on different
servers.
Web Application Proxy preauthenticates access to web applications using Active Directory Federation Services (AD FS), and also functions as an AD FS proxy.
https://technet.microsoft.com/en-us/library/dn584113.aspx
Web Application Proxy is a role service of the Remote Access role in Windows Server 2012 R2.
Because Web Application Proxy is within the perimeter network (in-between 2 firewalls) and AD FS is on the intranet (Corporate Network), you need 2 separate servers.