You install the Web Server （IIS） role on a server that runs Windows Server 2008. Your companys default Web site has an IP address of 10.10.0.1. You add a Web site named HelpDesk. The HelpDesk Web site cannot be started.You need to configure the Helpdesk Web site so that it can be started. What should you do？（）
- ARun the iisreset /enable command on the server.
- BConfigure the Helpdesk Web site to use a host header.
- CRun the appcmd add site /name： HelpDesk /id：2 /physicalPath： c：\HelpDesk /binding：http/*：80：helpdesk command on the server.
- DRun the set-location Cliteralpath "d：\HelpDesk_content" HelpDesk ID：2 location port：80 domain：helpdesk command in the Microsoft Windows PowerShell tool on the server.