You are a network administrator for a global company that has Windows Server 2008 R2 servers and
Windows 7 Enterprise computers.
Management wants to decrease VPN costs by implementing DirectAccess for remote network
access.
They assign you to evaluate the current network infrastructure, which includes the following
elements:
• Active Directory
• IPv6 network and applications
• Server for DirectAccess service
You need to ensure that all critical infrastructure components are present.
What should you add to the infrastructure?

A.
Windows Internet Name Service (WINS) server

B.
Public key infrastructure

C.
NAT-PT devices

D.
Windows Software Update Services (WSUS) server

Explanation:
DirectAccess With Windows Server 2008 R2 requires:
* Public key infrastructure (PKI) to issue computer certificates.
* One or more DirectAccess servers running Windows Server 2008 R2 with two network adapters:
one that is connected directly to the Internet, and a second that is connected to the intranet.
* On the DirectAccess server, at least two consecutive, public IPv4 addresses assigned to the
network adapter that is connected to the Internet.
* DirectAccess clients running Windows 7 or Windows 8 “Enterprise” edition clients
* At least one domain controller and Domain Name System (DNS) server running Windows Server
2008 SP2 or Windows Server 2008 R2.