Ken Patmonk
0c3868ea71
OPS-1 through OPS-10, OS-2, OS-3 went from 5 → 15. OS-1, OS-4 through OS-11, SEC-1 through SEC-11, TRB-1 through TRB-4 went from 7 → 15. Questions cover exam-weight scenarios not duplicated from original content. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
131 lines
3.6 KiB
Markdown
131 lines
3.6 KiB
Markdown
# TRB-3 Quiz: Mobile Security Issues
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Take this after studying `notes/TRB-3-mobile-security-issues.md`.
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Reply with answers like:
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`1B 2A 3D 4C 5B 6A 7D`
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## Questions
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1. Why is a jailbroken or rooted mobile device a security concern?
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A. It always improves patching
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B. It bypasses normal OS security controls
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C. It disables all storage
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D. It prevents app installs
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2. A fake banking app uses the real bank logo. What is this called?
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A. Application spoofing
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B. Differential backup
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C. Screen rotation
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D. Disk defragmentation
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3. Which symptom can indicate mobile malware?
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A. Correct time zone
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B. Normal battery use
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C. High data usage with unexpected ads
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D. Strong Wi-Fi signal
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4. What is risky about unofficial app stores?
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A. They improve MFA
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B. They remove all app permissions
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C. Apps may not be vetted like official store apps
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D. They guarantee privacy
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5. A managed phone appears compromised. What should a technician do?
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A. Post screenshots publicly
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B. Ignore the issue
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C. Follow company policy and notify the correct support/security path
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D. Disable documentation
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6. Developer mode on a phone can be risky because it may allow what?
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A. Higher screen brightness only
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B. Faster charging only
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C. Better speaker volume only
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D. Advanced controls that weaken normal protections if misused
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7. A user sees fake virus warnings on a phone. What should be suspected?
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A. Normal calendar sync
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B. Unwanted software, malicious site notifications, or malicious app behavior
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C. Printer spooler failure
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D. Low toner
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8. A user's phone is sending texts they never wrote. What should be suspected?
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A. Low storage
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B. Malware or unauthorized account access
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C. Bluetooth pairing issue
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D. Screen rotation lock
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9. Which precaution should a technician take before removing malware from a managed mobile device?
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A. Delete all personal photos
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B. Disable corporate email
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C. Follow MDM policy and escalate if the device is corporate-owned
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D. Immediately factory reset without documentation
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10. An iPhone user reports unknown apps appeared after a jailbreak. What is the likely cause?
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A. iCloud sync added them
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B. Unofficial app sources enabled by the jailbreak installed unauthorized software
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C. The App Store pushed them automatically
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D. MDM deployed them
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11. Which mobile behavior is most likely to indicate a phishing attempt?
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A. A calendar reminder for a meeting
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B. A text or email with a link asking to verify credentials immediately
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C. An app notification for a sale
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D. A low-battery warning
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12. A user installs a "free VPN" from an unknown developer. What security risk does this introduce?
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A. Faster internet
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B. The VPN app may intercept and log all network traffic
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C. Better encryption than a paid VPN
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D. Reduced data usage
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13. Which Android setting should be disabled to reduce the risk of malware from unofficial sources?
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A. Disable "Install from unknown sources" and use only Google Play
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B. Enable "Install from unknown sources"
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C. Enable developer mode
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D. Root the device for full control
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14. A corporate phone receives persistent pop-up messages from an unknown app. What is the best immediate action?
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A. Click the pop-ups to see where they lead
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B. Uninstall suspicious apps and scan the device; escalate per policy
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C. Factory reset without reporting
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D. Disable all notifications
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15. Which mobile security threat allows attackers to intercept device communications via a rogue cellular tower?
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A. Juice jacking
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B. IMSI catcher or SS7 attack
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C. Tailgating
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D. Shoulder surfing
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## Answer Key For Instructor
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1. B
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2. A
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3. C
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4. C
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5. C
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6. D
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7. B
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8. B
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9. C
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10. B
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11. B
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12. B
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13. A
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14. B
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15. B
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