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3. What are two common ways a computer can get infected with a virus?
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4. Write short note on Email virus.
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B. Long answer type questions.
1. Explain the difference between a Program File Virus, and a Macro Virus. Give examples
of each.
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2. Describe the various preventive measures to protect your computer from viruses. How
does antivirus software work?
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3. What signs or symptoms indicate that your PC may have a virus?
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4. What is a firewall, and how does it contribute to securing a network?
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Computer Virus 37

