HOTSPOT
Your network contains a subnet named Subnet1. Subnet1 contains a DHCP server named Server1. You deploy a new subnet named Subnet2. On Subnet2, you deploy a new server named Server2 that runs Windows Server 2012 R2. You need to configure Server2 to route DHCP broadcast from Subnet2 to Server1.
Which server role should you install on Server2? To answer, select the appropriate role in the answer area.
Answer: 
Explanation:
In Windows Server 2012 R2 the DirectAccess feature and the RRAS role service were combined into a new unified server role. This new Remote Access server role allows for centralized administration, configuration, and monitoring of both DirectAccess and VPN-based remote access services. Additionally, Windows Server 2012 R2 DirectAccess provided multiple updates and improvements to address deployment blockers and provide simplified management.
References:
http://technet . microsoft .com /library/hh831416
http://technet . microsoft .com /en-us/library/cc732263 . aspx