A.Add Hardware WizardB.Device ManagerC.Disk ManagementD……

单项选择题ThenewsecurityfeatureinVistathatpreventsprogramsfromrunningwithescalatedprivilegesiscalled：（）

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

单项选择题WhichofthefollowingistheBESTsolutionforrepairingaharddrivethatresultsintheCouldnotreadfromselectedbootdiskdisplayuponbooting？（）

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InwhichofthefollowingscenarioswouldMACfilteringbeMOSTeffectiveasapartofwirelesssecurity？（）

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AtechniciancannotconnectusingRemoteDesktop.Whichofthefollowingportsneedstobeallowedinthefirewall？（）

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

单项选择题Aclienthascalledwithconcernsthattheircomputerproblemhasnotbeenresolvedbytheonsitetechnicianwhohasleft.Asthetechnicianssupervisor，whichofthefollowingistheBESTcourseofactioninthissituation？（）

A.Tell the client that they will need to place another service call.
B.Ask the client if they would like to discuss their computer problems in more detail.
C.Tell the client that another technician will be sent out.
D.Inform the client that the problem will be resolved by the onsite technician at another time.