单项选择题
A home user wants to setup a wireless network. Which of the following would be the MOST important consideration?（）
A. Operating system type of the connected PCs B. Location of the wireless router C. Number of PCs that will access the network D. Number of available Ethernet ports on the router
单项选择题 Which of the following does an out-of-memory error indicate on a printer?（）
单项选择题 Which of the following should the technician do FIRST when removing a paper jam?（）
单项选择题 Which of the following will MOST likely happen if a laser printer displays ‘15% fuser remaining’?（）
