单项选择题 You want to connect to your company network from your Windows 2000 Professional computer at home. You have an ISDN line that is used for internet connectivity. You create a VPN connection and are able to connect successfully to the company network. While connected to the company network, you are unable to access the Internet.   What must you do so that you can access the Internet?（）

单项选择题 You are configuring a Windows 2000 Professional portable computer to use a dial-up connection to connect to a routing and remote access server. The computer has a smart card reader and appropriate drivers installed. You install the MMC to request a new certificate. You install the certificate to use the smart card. You want to use your smart card for authentication when you connect to the routing and remote access server. You want to use the advanced security settings dialog box as shown in the exhibit. Which option or options should you enable in the Advanced Security Settings dialog box?（）

单项选择题 YouwanttoconfigureyourWindows2000Professionalcomputertoremotelyaccessyourcompany’sWindows2000routingandremoteaccessserver.YouconfigureaVPNconnection.Forsecuritypurposes，youconfiguretheVPNconnectiontouseMS-CHAPv2onlyandtorequireencryption.YoualsoconfigureTCP/IPtoobtainanIPaddressautomatically，toenableIPSec，andtosetIPSectosecureserver.Whenyoutrytoconnect，youreceivethefollowingerrormessage，“Theencryptionattemptfailedbecausenovalidcertificatewasfound.”Whatshouldyoudotoconnecttotheserver？（）