comptia-a-plus-core2/quizzes/TRB-2-quiz.md

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TRB-2 Quiz: Mobile OS and App Issues

Take this after studying notes/TRB-2-mobile-os-app-issues.md.

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

Questions

  1. A mobile app will not install. What should you check early?

A. Router firmware only
B. Device storage and OS compatibility
C. Desktop wallpaper
D. Printer drivers

  1. A single app keeps crashing. What is a reasonable early step?

A. Clear the app cache or update the app
B. Replace the monitor
C. Degauss the phone
D. Disable all MFA

  1. Bluetooth earbuds will not connect. What should you try?

A. Delete the email account
B. Quick format storage
C. Verify pairing mode and forget/re-pair the device
D. Change DNS records

  1. Screen autorotation does not work. What setting should be checked?

A. Rotation lock
B. Firewall profile
C. BitLocker recovery key
D. Proxy server port

  1. A phone battery drains quickly. Which area should be reviewed?

A. File extensions
B. Battery usage by app
C. Browser certificate chain only
D. Monitor refresh rate

  1. An OS update fails repeatedly. What should be checked?

A. Available storage and network connection
B. Printer toner level
C. VGA cable type
D. Desktop icon size

  1. Which approach is best before factory resetting a phone?

A. Ignore the issue
B. Root the device
C. Disable all updates forever
D. Try low-risk fixes and verify backup status

Answer Key For Instructor

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