FC0-U61 · Question #345
Which of the following are the most likely causes of a virus attack? Each correct answer represents a complete solution. Choose all that apply.
The correct answer is A. Installing an application from an unreliable source B. Downloading a file from an unknown Website C. Installing a .DLL file from an unreliable source D. Using a floppy, a compact disk, or a pen drive from an unreliable source. Virus attacks are commonly caused by interacting with or executing files and applications obtained from untrusted or unreliable sources, regardless of the media type.
Question
Which of the following are the most likely causes of a virus attack? Each correct answer represents a complete solution. Choose all that apply.
Options
- AInstalling an application from an unreliable source
- BDownloading a file from an unknown Website
- CInstalling a .DLL file from an unreliable source
- DUsing a floppy, a compact disk, or a pen drive from an unreliable source
How the community answered
(21 responses)- A100% (21)
Why each option
Virus attacks are commonly caused by interacting with or executing files and applications obtained from untrusted or unreliable sources, regardless of the media type.
Installing applications from untrusted sources, such as pirated software or unverified download sites, is a primary method for malware, including viruses, to infiltrate a system.
Downloading and opening files from unknown or suspicious websites can easily introduce viruses and other malicious software if the files are infected.
Installing or placing dynamic-link library (.DLL) files from unreliable sources can introduce malicious code that executes within legitimate programs, leading to virus infections.
Using removable media like floppy disks, compact disks, or USB pen drives from unreliable or unknown origins is a classic vector for spreading viruses if the media is infected.
Concept tested: Common virus infection vectors
Source: https://learn.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-antivirus/antivirus-understand-virus-types
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