Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). You have two servers named Server1 and Server2. Both servers have Windows Server Update Services (WSUS) 3.0 installed. You need to configure WSUS so that Server2 uses Server1 as the upstream server. What should you do on Server2?（）
- AFrom the command prompt， run wuauclt.exe.
- BFrom the command prompt， run wsusutil.exe.
- CFrom the Update Services console， run the WSUS Server Configuration Wizard.
- DFrom the Local Computer Policy， specify the location on the intranet for the Microsoft update service.