我国规定()伏为安全电压的额定值
A. 48、36、24、12和6
B. 56、42、24、12和6
C. 42、36、24、12和6
D. 36、24、12、6和3
Whichofthefollowingisthecorrectconnectorforaninternalfloppydrive?()
A. 50-pinSCSI
B. 40-pinribbon
C. 34-pinribbon
D. 4-pinSATA
Giventheconfigurationandroutingtableintheexhibit,whichrouteswillbeadvertisedtoOSPFneighborsbecauseofthedemopolicy?()
A. 192.168.0.0/16only
B. 192.168.0.0/17only
C. 192.168.50.0/24and192.168.51.0/24
D. 192.168.0.0/17,192.168.50.0/24and192.168.51.0/24
AuserisreportingthataPCwillsuddenlyshutdownwithoutwarning.ThePCbootsupwithnoproblems,butafterusingthePCforashorttime,thePCturnsoff.Whichofthefollowingcomponentsshouldthetechniciancheck?()(SelectTWO).
A. CPUfan
B. RAM
C. Harddrive
D. Powersupply
E. Videocard