Your network contains an Active Directory forest. The forest contains a member server named Server1 that runs Windows Server 2008 R2. You need to configure Server1 to provide central authentication of dial-up, VPN, and wireless connections to the network.
Which server role, role service or feature should you install?
A. Simple TCP/IP Services
B. Windows System Resource Manager (WSRM)
C. Routing and Remote Access service (RRAS)
D. Network Policy Server (NPS)
E. File Server Resource Manager (FSRM)
F. Network Load Balancing (NLB)
G. Windows Internal Database
H. Health Registration Authority (HRA)
I. Group Policy Management
J. Wireless LAN Service
K. Connection Manager Administration Kit (CMAK)
L. Windows Server Update Services (WSUS)
M. Services for Network File System (NFS)
