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Chapter 6 · SecurityPractice
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CONCEPT PRACTICE

Antivirus pattern matching

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Volume 1 · Chapter 6 · Textbook Exercises · Q15

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Which of the following is an appropriate description concerning antivirus software?

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Source: FE Vol 1.pdf, PDF page 410, textbook p. 400 · Information-technology Promotion Agency, Japan · First Edition: April, 2015. ID: tb-v1-c6-q15. Publisher answer and commentary · private review.

Original question · Q15
Q15 Which of the following is an appropriate description concerning antivirus software? a) A signature file for antivirus software is a database that contains the first 16 bytes or 32 bytes of the code of each virus. b) Virus detection using the signature files of antivirus software is an effective method for detecting known viruses and identifying virus names. c) If the size of a file that is infected by a virus is the same as the size before the infection, the file can be restored to its pre-infection state by removing the virus. d) In the method of detecting a virus by identifying unauthorized behavior, the name of the virus can be identified from the behavior characteristics.

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