[单项选择]You are the network administrator for your company. The network consists of a single Active Directorydomain. All domain controllers run Windows Server 2003. All client computers run Windows XP Professional with default settings. Some users have portable computers, and the rest have desktop computers.You need to ensure that all users are authenticated by a domain controller when they log on.How should you modify the local security policy? （）
A. Require authentication by a domain controller to unlock the client computer.
B. Cache zero interactive logons.
C. Cache 50 interactive logons.
D. Grant the Log on locally user right to the Users group.

[单项选择] You are the network administrator for your company. The network consists of a single Active Directory domain. All network servers run Windows Server 2003, and all are members of the domain. All client computers run Windows XP Professional. Five Web servers host the content for the internal network. Each one runs IIS and has Remote Desktop connections enabled. Web developers are frequently required to update content on the Web servers. You need to ensure that the Web developers can use Remote Desktop Connection to transfer Web documents from their client computers to the five Web servers. What should you do?（）
A. Install the Terminal Server option on all five Web servers. Use Terminal Services Configuration Manager to modify the session directory setting.
B. Install the Terminal Server option on all five Web servers. Use Terminal Services Configuration Manager to create a new Microsoft RDP 5.2 connection.
C. On each Web developer's client computer, select the Disk Drives check box in the properties of Remote Desktop Connection.
D. On each Web developer's client computer, select the Allow users to connect remotely to this computer check box in the System Properties dialog box.