Computer MCQs

Page No. 108

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


aHacker-proof program


bFirewall


cHacker-resistant server


dEncryption safe wall


View Answer Firewall

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


aUser logins


bPasswords


cComputer keys


dAccess-control software


View Answer Passwords

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


aBiometrics


bBio measurement


cComputer security


dSmart weapon machinery


View Answer Biometrics

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


a A virus


bSpybot


cLogic bomb


dSecurity patch


View Answer Spybot

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


aTime-related bomb sequence.


bVirus.


cTime bomb.


dTrojan horse.


View Answer Time bomb.

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


aMemory or disk space.


bTime.


cCD drives space.


dCD-RW.


View Answer Memory or disk space.

What type of virus uses computer hosts to reproduce itself?


aTime bomb


bWorm


cMelissa virus


dMacro virus


View Answer Worm

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


a E-mail virus.


bMacro virus.


cTrojan horse.


dTime bomb.


View Answer E-mail virus.

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


aTrojan horse.


b Virus.


cTime bomb.


dTime-related bomb sequence.


View Answer Virus.

A program that performs a useful task while simultaneously allowing destructive acts is a___________?


aWorm.


bTrojan horse.


cVirus.


dMacro virus


View Answer Trojan horse.

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