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The call to tech support was fairly routine. A first-time computer user had purchased a brand new PC two months ago and it was now operating much more slowly and sluggishly than it had at first. Had he been accessing the Internet? Yes. Had he installed any "free" software? Yes. The problem is likely to be a(an) _____
(A) virus.
(B) zero-day attack.
(C) denial of service attack.
(D) dictionary attack.

Respuesta :

Cetacea

Answer:A) virus.

Explanation:Virus is the piece of code that gets into the computer system and other devices to invoke the malicious activities such as slow processing, corrupting the data, disable some functions etc.The virus may get invoke in the system through internet sites,software and other means and spreads in the replicating way over the system.Virus can be eliminated by using the anti-virus software.

Answer:

(A) Virus.

Explanation:

Virus can spread through by internet through emails,downloading files,ans spam links.There are many sources form where the virus can spread via internet.Free softwares also contain viruses.Viruses are the main reason behind the system not performing well. Viruses alters the way the computer operates.

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