You have a computer named Computer1 that runs Windows 7. The computer is a member of an ActiveDirectory domain. The network contains a file server named Server1 that runs Windows Server 2008. Youlog on to the computer by using an account named User1. You need to ensure that when you connect toServer1, you authenticate by using an account named Admin1.  What should you do on Computer1?（）

• A、From User Accounts， select Link online IDs.
• B、From Windows CardSpace， select Add a card.
• C、From Credential Manager， select Add a Windows credential.
• D、From Local Security Policy， modify the Access this computer from the network user right