AlaptopoperatesonbatterypowerwhenconnectedwithanACadapter.Oncethebatterydischarges,thecomputerturnsoffandwillnotturnbackon.WhichofthefollowingaretheMOSTlikelycausesofthelaptopissue?()(SelectTWO).
A. TheLCDmonitor’spowerinverterdoesnotfunctionproperly.
B. Theoperatingsystem’spowersettingspreventthebatteryfromcharging.
C. Thebatteryisnotcompatiblewiththelaptop.
D. Theinternalpowerconnectiononthemotherboardisfaulty.
E. Thepoweradapterisnotworking.
查看答案
检查闸瓦磨耗情况,闸瓦厚度应大于(),否则应更换
A. 10mm
B. 15mm
C. 20mm
D. 25mm
AuserreportsittakesalongtimetoloadallapplicationsandtheharddriveLEDisshowingconstantactivity.WhichofthefollowingisMOSTlikelytheissue?()
A. Theprocessorisfaulty.
B. Thefilesystemisfragmented.
C. Themodemdriversarecorrupt.
D. Thepowersupplyisfaulty.
On a Juniper router, what is the default file used for syslog messages?()
A. system
B. errors
C. security
D. messages
Atechnicianreceivesanerrormessage‘inaccessiblebootdevice’ontheirmonitor.Whichofthefollowingcomponentsiscausingtheissue?()
A. Harddiskdrivefailure
B. NTLDRfileismissing
C. BIOSiscorrupted
D. Systemboardfailure