Your network contains an Active Directory domain named contoso.com. The network contains a DHCP server named DHCP1.
You add a new network segment to the network.
On the new network segment, you deploy a new server named Server1 that runs Windows Server 2012 R2.
You need to configure Server1 as a DHCP Relay Agent.
Which server role should you install on Server1?
To answer, select the appropriate role in the answer area.
Hot 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.http://technet.microsoft.com/library/hh831416
http://technet.microsoft.com/en-us/library/cc732263.aspx