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
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Which of the following does an out-of-memory error indicate on a printer?（）
A. A faulty memory module in the printer.
B. A postscript print job has been sent to the printer.
C. A large print job has been sent to the printer.
D. The printer firmware needs to be updated. -
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Which of the following should the technician do FIRST when removing a paper jam?（）
A. Open all the doors in the printer.
B. Clear the print queue.
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Which of the following will MOST likely happen if a laser printer displays ‘15% fuser remaining’?（）
A. The printer will print according to specification.
B. The printer will stop printing immediately.
C. The printer will take longer to print.
D. The printer will print blank sheets of paper
