Your company has a server that runs Windows Server 2008 R2. The server is configured as a remoteaccess server. The external firewall has TCP port 80 and TCP port 443 open for remoteconnections. You have a home computer that runs Windows 7. You need to establish secure remote accessconnection from the home computer to the remote access server.  Which type of connection should you configure? （）

• A、IPSEC
• B、L2TP
• C、PPTP
• D、SSTP