单项选择题

The new security feature in Vista that prevents programs from running with escalated privileges is called：（）

A.User Account Control （UAC）.
B.Windows Sidebar.
C.Windows Defender.
D.Aero Interface.

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单项选择题

Which of the following is the BEST solution for repairing a hard drive that results in the Could not readfrom selected boot disk display upon booting？（）

A.Use recovery console and the bootcfg /rebuild command.
B.Use recovery console and the chkdsk command.
C.Use recovery console and the fixboot command.
D.Use recovery console and the fixmbr command.

单项选择题

In which of the following scenarios would MAC filtering be MOST effective as a part of wireless security？（）

A.A public place where guests are free to access the wireless network.
B.A small office where a defined number of specific wireless devices are used.
C.A meeting room where various company users will access the wireless network during meetings.
D.An office where some users are unable to use WPA encryption due to older wireless cards so they use MAC filtering.

单项选择题

A technician cannot connect using Remote Desktop. Which of the following ports needs to be allowed in the firewall？（）

A.23
B.443
C.8080
D.3389