You need to design an access control strategy for the external and intranet Web sites. Which two actions should you perform？（）

• A、Enable SSL on the external Web site by using a Microsoft cryptographic service provider （CSP）
• B、Enable Microsoft .NET Passport authentication on the external Web site. Use Passport Level 0 with SSL on the external Web site
• C、Enable SSL on the external Web site by using a commercial digital certificate
• D、Enable SSL on the intranet Web site by using an internal server certificate
• E、Enable SSL on the external Web site by using an internal server certificate