Computer Security and Viruses Questions

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21.

Software programs that close potential security breaches in an operating system are known as:

A

Security breach fixes

B

Refresh patches

C

Security repairs

D

Security patches

Correct Answer: D

None.

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22.

__________ is the measurement of things such as fingerprints and retinal scans used for security access.

A

Biometrics

B

Biomeasurement

C

Computer security

D

Smart weapon machinery

Correct Answer: A

None.

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23.

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

A

User log in

B

Passwords

C

Computer keys

D

Access-control software

Correct Answer: B

None.

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24.

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

A

Hacker-proof program

B

Firewall

C

Hacker-resistant server

D

Encryption safe wall

Correct Answer: B

None.

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25.

The scrambling of code is known as:

A

Encryption

B

A firewall

C

Scrambling

D

Password-proofing

Correct Answer: A

None.

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26.

If you want to secure a message, use a(n):

A

Cryptology source

B

Encryption key

C

Encryption software package

D

Cryptosystem

Correct Answer: D

None.

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27.

To save your computer from viruses you will do

A

Install antivirus software and run it

B

Make physical safe for the removal disk

C

Scan the removable disk before using it

D

All of the above

Correct Answer: A

Antivirus software, or anti-virus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses,

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28.

Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?

A

Extended, Logical, Primary

B

Primary, Extended, Logical

C

Logical, Extended, Primary

D

Logical, Primary, Extended

E

None of the above

Correct Answer: C

None.

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29.

You suspect a virus has entered your computer. What will not be affected by the virus?

A

CMOS

B

Boot sector

C

Floppy disks

D

Program files

E

None of the above

Correct Answer: A

None.

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30.

Which DOS command is used to remove and scan memory and disk from viruses?

A

MSAV

B

DEFRAG

C

SCANDISK

D

VSAFE

E

None of the above

Correct Answer: A

None.

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