In which security measure will you find anti-virus software?

Question

BlackTom AI · Accepted Answer

Anti-virus software is an example of computer protection software because it is specifically designed to detect, remove, and prevent malicious programs on a computer system.

1) Relevant knowledge points and concepts
- Anti-virus software: endpoint protection that scans files, processes, and incoming data for malware using signatures, heuristics, and behavior analysis.  
- Firewall: a network-layer control that filters network traffic based on rules (can be hardware or software).  
- Username and password: authentication credentials used to verify user identity.  
- User permissions: authorization settings that control what authenticated users can access or do on a system.

2) Step-by-step reasoning
- Determine the function of anti-virus: it protects the computer by scanning and removing viruses, trojans, worms, spyware, etc.  
- Match that function to the listed categories: the category that groups software whose purpose is to protect the computer from malicious programs is “computer protection software.”  
- Compare alternatives: firewall protects network traffic (not primarily file-level malware scanning); username/password and user permissions are access-control mechanisms (not software that scans for or removes malware).

3) Intermediate explanatory steps (examples)
- Anti-virus runs periodic/full scans of disk files, monitors processes in real time, and updates virus definitions—these are core behaviors of protection software.  
- A firewall blocks or allows connections on ports and protocols; it does not remove an infected file on disk.  
- Changing user permissions or using strong passwords helps limit unauthorized access but does not detect or disinfect malware already present.

4) Why the correct answer is correct
- “Computer protection software” is a category that explicitly includes anti-virus, anti-malware, and similar endpoint security tools. Anti-virus fits this category both functionally and by common terminology.

5) Why other options are incorrect
- a. User permissions: authorization controls, not malware scanning.  
- b. Username and password: authentication method, not protective scanning software.  
- c. Firewall: network traffic filtering, not primarily anti-virus functionality.

6) Conclusion
Therefore, the correct choice is d. Computer protection software, which matches the provided answer.

In which security measure will you find anti-virus software?Single choice

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