单项选择题
Computers on the network are frequently infected with viruses, malware, worms and Trojans.Which of the following should Mike, a technician, update automatically to prevent future problems?（）
A. Antivirus signatures
B. Antivirus engines
C. Malware engines
D. Virus encyclopedias
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相关考题
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多项选择题
A printer is consistently printing random characters on every page. Which of the following should be done? （）(Select TWO).
A. Power cycle the printer
B. Replace the fuser
C. Check for paper jams
D. Clean the print drum
E. Check the printer driver -
单项选择题
A HDD is almost full and constantly reads and writes data. Which of the following tools may repair files on the HDD?（）
A.MSCONFIG
B.EFS
C.CHKDSK
D.DEFRAG -
单项选择题
Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）
A. Virus
B. Worm
C. Network bandwidth
D. Malware
