VIRUS AND ANTI VIRUS Quiz

What is a computer virus?

• A type of malicious software that can replicate itself and spread to other computers, causing harm to the system and stealing personal information.

• A type of physical virus that can infect computer hardware

• A type of insect that infects computers and causes them to malfunction

• A type of helpful software that improves the performance of the computer

Name one type of computer virus.

• Trojan horse

• Worm

• Spyware

• Adware

What is the purpose of an antivirus software?

• To play games

• To detect, prevent, and remove malicious software

• To make the computer run faster

• To organize files

How does an antivirus software detect viruses?

• Signature-based detection, heuristic analysis, and behavior-based detection

• By counting the number of files on the computer

• By checking the file size

• By analyzing the color of the files

What are some common symptoms of a computer virus infection?

• Decreased storage capacity

• Increased internet speed

• Blue screen of death

• Slow performance, frequent crashes, unusual pop-up messages, and unexplained file changes

What are the different methods used by viruses to spread?

• Direct contact, airborne transmission, contaminated objects or surfaces

• Through telepathy

• By using carrier pigeons

• Via Morse code

What are the potential risks of not having an antivirus software installed?

• Decreased risk of cyber attacks

• Increased risk of malware infections, data theft, system slowdown, and vulnerability to cyber attacks.

• Improved system performance and speed

• Enhanced data security and privacy

What are some best practices for preventing virus infections?

• Never updating antivirus software

• Regularly updating antivirus software, being cautious of email attachments and links, avoiding suspicious websites, and regularly backing up important data.

• Clicking on every email attachment and link

• Visiting suspicious websites regularly

What is the role of a firewall in protecting against viruses?

• It provides access to all websites without any restrictions

• It scans and removes viruses from the computer

• It acts as a barrier and blocks or allows traffic based on security rules.

• It enhances the speed of the computer

Explain the concept of heuristic analysis in antivirus software.

• Heuristic analysis is a method of detecting weather patterns to predict virus outbreaks.

• Heuristic analysis is a method of detecting old malware based on known signatures.

• Heuristic analysis is a method of detecting hardware issues in the computer.

• Heuristic analysis is a method of detecting new malware based on behavioral patterns and characteristics.