Practice Quiz

CompTIA A+ 220-901

Category - Hardware

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When a user boots-up an older system, they see a notice during the POST and BIOS Startup that states an intrusion was detected. To what does this refer?
  1. A virus has infected the system.
  2. A system case was opened.
  3. The system’s network card was compromised.
  4. A user failed to login correctly.
Explanation
Answer: B - An intrusion detection warning during the POST and BIOS startup refers to the system case having been opened.

Key Takeaway : Some older systems had a feature that notified the user if the system case had been opened, which could be useful for security purposes. Since the message occurs during the BIOS startup and POST, we know it cannot be virus related, since viruses only attack software. Failing to login properly and a compromised network card would not manifest these errors.
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