单项选择题
A.SMDs(surface mounted devices)
B.FRUs(field replacement units)
C.FESs
D.BEMs
单项选择题 Whichtestchecksthetransmitterandreceiverofalocalmodem?()
单项选择题 Acomputerbootsupwiththeerror"CMOSChecksumFailure."Whichofthefollowingcomponentsneedstobereplaced?()
单项选择题 AnA+CertifiedTechnicianMUSTdoaninstallonaWindowsXPsystemfromthedistributionCD.However,thesystemdoesnotbootfromthisCD.WhatistheMOSTlikelycauseofthisproblem?()