单项选择题
A technician is troubleshooting a network connectivity issue on a MFD and would like to eliminate the possibility of another device on the network having the same IP address. The technician should：（）
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.
单项选择题 Whichofthefollowingisareasonblacktonerisusedincolorprinters？（）
单项选择题 UsingtheCMYKcolormodel，thecolorpurpleisproducedbycombiningcyanandwhichothercolor？（）
单项选择题 Whichofthefollowingisthepurposeofatorquelimiterinaroller？（）
