Virus & Firewall

Total Questions: 15

1 - Firewall refers to -----?
A ) A system in which multiple computers are connected to one another
B ) A system that scans and remove viruses from a computer
C ) A system that prevents unauthorised Access to a private network ✅
D ) A system that allows users to make secure online money transfer

2 - A software that can harm your computer is called------:
A ) Extension
B ) Server
C ) Virus ✅
D ) None of these

3 - A computer virus is ------:
A ) Electromagnetic waves entering
B ) A useful micro component of a computer
C ) A computer program ✅
D ) A micro organism

4 - Which software copies itself without permission and knowledge of the user?

A ) Virus ✅
B ) Anti-virus
C ) Program
D ) None of these

5 - Brain virus is the name of a computer virus invented by two brothers Basit and Amjad Farooq alvi they belong to which country?

A ) Bangladesh
B ) Afghanistan
C ) Pakistan ✅
D ) India

6 - To protect a computer from viruses what should you install in your computer?

A ) Anti-virus ✅
B ) Disk cleanup
C ) Backup wizard
D ) None of these

7 - A type of malware often disgusted as legitimate software is -------:
A ) PDF
B ) Chrome
C ) Safari
D ) Trojan Horse ✅

8 - A computer can not affect which of the following?

A ) Software
B ) Mouse and keyboard ✅
C ) System files
D ) Hard drive

9 - -------- occurs when a person sends a message with angry antagonistic content .

A ) Email Bankruptcy
B ) Email phishi
C ) Email fatigue
D ) Flamming ✅

10 - How can the risk of unauthorized computer system access be reduced when connected to the internet?

A ) By using a firewall ✅
B ) By setting up a WAN
C ) By encrypting all data stored in the system
D ) By installing anti-spam software

11 - Which of the following viruses replicates itself without needing a host file?

A ) Macro virus
B ) Worm ✅
C ) Trojan
D ) Ransomware

12 - What is the primary purpose of ransomware?

A ) To speed up computer performance
B ) To encrypt files and demand payment ✅
C ) To steal passwords
D ) To install antivirus software

13 - What does a boot sector virus infect ?

A ) RAM memory
B ) External hard drives
C ) The system's boot sector ✅
D ) The internet browser

14 - What type of virus attached itself to executable files?

A ) Spyware
B ) Adware
C ) Worm
D ) File infector virus ✅

15 - Which of the following is not a system tool?

A ) Virus scanning ✅
B ) Backup
C ) Disk defragment
D ) All of these
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