试题详情
单项选择题Malware has been detected and removed on a customer computer several times in a short periodof time. Which of the following will BEST help prevent future occurrences?（）

A、Defragment the hard drive

B、Discuss safe web-browsing habits with the customer

C、Delete temporary files, cookies and browser history

D、Install anti-virus software which uses manual updates

  • B

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