Mike, a technician, is installing a wireless router for a client. Which of the following is MOST important when installing a wireless router?（）

A. Antivirus signatures
B. Antivirus engines
C. Malware engines
D. Virus encyclopedias

A. Power cycle the printer
B. Replace the fuser
C. Check for paper jams
D. Clean the print drum
E. Check the printer driver

A.MSCONFIG
B.EFS
C.CHKDSK
D.DEFRAG