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midterm

Computer Systems Midterm — Weeks 1–9

Thirty cumulative questions across technician foundations, hardware, mobile devices, printers, networking, and troubleshooting. Score is calculated locally in the browser.Automatic score only. Nothing is submitted or stored as a learner grade.
  1. 1. A vague service request arrives with no useful detail. What should happen first?
  2. 2. Why preserve a baseline before changing configuration?
  3. 3. What is the purpose of an ESD control during internal PC service?
  4. 4. A system fails POST immediately after RAM replacement. What is the strongest first theory?
  5. 5. Why does x86-64 versus ARM matter?
  6. 6. What security role does a TPM commonly support?
  7. 7. Which statement about M.2 is accurate?
  8. 8. Why is RAID not a backup?
  9. 9. A workstation shuts down only under heavy load. What should be checked early?
  10. 10. What does refresh rate describe?
  11. 11. A swollen phone battery is discovered. What is the appropriate action?
  12. 12. What does MDM provide?
  13. 13. A phone has working internet but one app will not sync. What should be checked before resetting the phone?
  14. 14. Which printer technology uses toner?
  15. Unlabeled laser-printer cross-section with marker 6 positioned late in the paper path before output.
    Visual evidence: Use the physical position in the printer path, not a memorized word list.
    15. Inspect the printer evidence. Marker 6 identifies which stage that permanently bonds toner to paper?
  16. 16. Several users have jobs stuck in one shared print queue. What common point should be checked?
  17. 17. What is the primary role of a router?
  18. 18. What is the primary role of a switch?
  19. 19. Which media carries data as light?
  20. 20. A host has 169.254.20.15 and no gateway. What is the strongest initial diagnosis?
  21. 21. What does a default gateway provide?
  22. 22. What is DNS responsible for?
  23. 23. Which service commonly uses TCP port 22?
  24. 24. Which service commonly uses TCP port 443?
  25. 25. A host responds to ping but a web service on port 8080 fails. What is the best conclusion?
  26. 26. Which tool is used to seat conductors in an IDC patch panel?
  27. 27. What is a tone generator and probe used for?
  28. 28. If direct access to a known IP succeeds but hostname access fails, what should be investigated?
  29. 29. What is jitter?
  30. 30. What is the strongest final verification for a repaired network incident?