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2. John is working as a security advisor. Of late, he is going nuts with the number of virus infected computers reported to the IT department every day. A common cause of this seems to be virus infection while using web browsers. Which of the following should John advise the IT department to do to resolve the problem?
4. Which of the following viruses could attach itself to the boot sector of your disk to avoid detection and report false information about file sizes?
5. John notices that his hard disk LED is on, even though he isn’t doing anything on the computer and it isn’t connected to the Internet. Which of the following could be causing this?