comptia-a-plus-core2/quizzes/TRB-4-quiz.md

1.6 KiB

TRB-4 Quiz: PC Security Symptoms

Take this after studying notes/TRB-4-pc-security-symptoms.md.

Reply with answers like: 1B 2A 3D 4C 5B 6A 7D

Questions

  1. A user's documents are renamed and cannot be opened. What should you suspect?

A. Normal update behavior
B. Ransomware
C. Screen saver timeout
D. Low monitor brightness

  1. Browser searches keep redirecting to an unknown search site. What is likely?

A. Healthy DNS cache
B. Good backup rotation
C. Browser hijacker or malicious extension
D. Normal BitLocker behavior

  1. Fake antivirus pop-ups demand payment. What is the safest assumption?

A. The system may be compromised
B. The pop-ups are required OS updates
C. The monitor cable is loose
D. The user needs a new keyboard

  1. Certificate warnings appear on many websites. Which simple setting should be checked?

A. Mouse pointer size
B. Wallpaper rotation
C. Speaker volume
D. System date and time

  1. What should be done if active malware compromise is suspected?

A. Share credentials by email
B. Consider isolating the system from the network according to policy
C. Disable documentation
D. Ignore the alerts

  1. Which symptom can point to adware?

A. Correct file names
B. Normal login time
C. Frequent unwanted pop-ups
D. Successful backup test

  1. OS updates fail after an infection. What could be a cause?

A. A clean keyboard
B. High screen resolution
C. Too many folders on the desktop only
D. Malware damage, system corruption, or network blocking

Answer Key For Instructor

  1. B
  2. C
  3. A
  4. D
  5. B
  6. C
  7. D