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Your network is connected to the Internet through a firewall.
Remote users connect to Microsoft Windows SharePoint Services (WSS) located on the internal network by using HTTPS.
Users require access to file servers located on the internal network.
You need to ensure that remote users can connect to the file servers. The solution must not require that any additional TCP ports be opened on the firewall.
What should you do?
A. Implement a PPTP virtual private network (VPN) solution.
B. Implement an L2TP virtual private network (VPN) solution.
C. Implement a Terminal Services Web Access (TS Web Access) solution.
D. Implement a Secure Socket Tunneling Protocol (SSTP) virtual private network (VPN) solution.
Correct Answer: D
Explanation/Reference:
Explanation:
To ensure that the remote users can connect to the file servers securely but without require opening any additional TCP ports on the firewall, you need to configure a SSTP VPN connection.
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Microsoft 70-647 Exam
SSTP VPN connections are tunneled over SSL using TCP port 443. Since all firewalls and NAT devices have TCP port 443 open, you will be able to use SSTP from anywhere without opening any additional TCP ports on the firewall.
Reference: Configuring Windows Server 2008 as a Remote Access SSL VPN Server (Part 1) / Why Introduce a New VPN Protocol
http://www.windowsecurity.com/articles/Configuring-Windows-Server-2008-Remote-Access-SSL- VPN-Server-Part1.html
