单项选择题
A user has discovered that even though they are using the latest version of the anti-virus software,the computer is still being infected by a virus. Which of the following is the BEST solution for this problem?（）
A. Replace the computer.
B. Run chkdsk /f.
C. Update the virus signatures.
D. Run scandisk.
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相关考题
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多项选择题
Operating system files for Windows Vista and Windows XP are located in which of the following?（）(Select TWO).
A. C:\documents and settings\administrator
B. C:\windows\system
C. C:\users\system 32
D. C:\winnt
E. C:\windows -
单项选择题
A user reports the system runs fine for a few minutes and then freezes or locks up. Which of the following is the BEST cause of this issue?（）
A. Memory is bad or not seated.
B. Fans are failing.
C. Power supply needs to be replaced.
D. CD-ROM is faulty and needs to be replaced. -
单项选择题
A user reports their system is displaying an error message ‘NTLDR is missing’. Which of the following is the MOST likely cause for this error?（）
A. BOOT.INI file is configured incorrectly
B. Corrupt MBR
C. Boot sector virus
D. System file is missing components
