A clientless SSL VPN user who is connecting on a Windows Vista computer is missing the menu option for Remote Desktop Protocol on the portal web page. Which action should you take to begin troubleshooting?

A clientless SSL VPN user who is connecting on a Windows Vista computer is missing the menu option for Remote Desktop Protocol on the portal web page. Which action should you take to begin troubleshooting?
A . Ensure that the RDP2 plug-in is installed on the VPN gateway
B . Reboot the VPN gateway
C . Instruct the user to reconnect to the VPN gateway
D . Ensure that the RDP plug-in is installed on the VPN gateway

Answer: D