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Q41

An intentionally disruptive program that spreads from program to program or from disk to disk is known as a_____________?

Q42

In 1999, the Melissa virus was a widely publicised:____________?

Q44

The thing that eventually terminates a worm virus is a lack of:

Q45

When a logic bomb is activated by a time-related event, it is known as a____________?

Q46

What is the name of an application program that gathers user information and sends it to someone through the Internet?

Q47

____________is the measurement of things such as fingerprints and retinal scans used for security access?

Q48

What is the most common tool used to restrict access to a computer system?

Q49

Hardware or software designed to guard against unauthorized access to a computer network is known as a(n)___________?

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