单项选择题
When arriving at the customers location， two different users describe the problem， and from their description it seems to be two separate problems. Which of the following is an appropriate step to take？（）
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.
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单项选择题
Whenonsiterepairingaprinterthetechnicianscellphoneringsanditisapersonalcall，howshouldthetechnicianhandlethis？（）
A.Answer the call and talk to your friend at the customer site.
B.Answer the call and tell the friend you will call them later.
C.Let it go to voicemail， call them back between service calls.
D.Let it ring and call the friend back when the customer leaves. -
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AtechnicianistroubleshootinganetworkconnectivityissueonaMFDandwouldliketoeliminatethepossibilityofanotherdeviceonthenetworkhavingthesameIPaddress.Thetechnicianshould：（）
A.disconnect the MFD and ping the IP address.
B.disconnect the MFD and ping the subnet mask.
C.disconnect the MFD and ping the loopback address.
D.run the ipconfig command from the command prompt. -
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Whichofthefollowingisareasonblacktonerisusedincolorprinters？（）
A.It decreases the print speed in color laser printers.
B.It prevents moir patterns when printing color photographs.
C.It reduces the cost per page when printing gray scale documents.
D.It makes the color toner resistant to smudging when wet.
