Acustomerreportsthaterrormessagesoccasionallyappearandquicklydisappear.WhichofthefollowingistheBESTplaceforatechniciantobegintroubleshootingthisissue?（）
A. RunaSystemRestore
B. CheckDeviceManager
ChecktheEventLogs
D. ChecktheSystemInformation
Which command is a valid way to view the status of an interface？（）
A. >show interfaces fe-0/0/0 extensive
B. >show interfaces fe-0/0/0 status
C. >show interfaces fe-0/0/0 health-info
D. >show interfaces fe-0/0/0 verbose
An internal user has deleted a file named， pagefile.sys and is concerned this deletion may affect the computer. The user should be instructed to：（）
A. reboot the computer because Windows automatically generates a new page file.
B. add a new hard drive， format the drive and install Windows.
C. back up all data， reboot the computer and notify a desktop technician.
D. reformat the hard drive and reinstall Windows.
西安地铁二号线车辆的编组形式为（—自动车钩、=半自动车钩、*半永久牵引杆）（）
A. —Tc*Mp*M=M*Mp*Tc—
B. =Tc*Mp*M*M*Mp*Tc=
C. =Tc*Mp*M*T*Mp*Tc=
D. =Tc*Mp*M—T*Mp*Tc=
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