单项选择题
A.Ignore both of them and decide what the real problem is.
B.Set up a separate call for each problem.
C.Have them duplicate the problem at the device.
D.Ask a third person and see if the problem is the same thing.
单项选择题 Whenonsiterepairingaprinterthetechnicianscellphoneringsanditisapersonalcall,howshouldthetechnicianhandlethis?()
单项选择题 AtechnicianistroubleshootinganetworkconnectivityissueonaMFDandwouldliketoeliminatethepossibilityofanotherdeviceonthenetworkhavingthesameIPaddress.Thetechnicianshould:()
单项选择题 Whichofthefollowingisareasonblacktonerisusedincolorprinters?()