# SEC-8 Quiz: Mobile Device Security

Take this after studying `notes/SEC-8-mobile-device-security.md`.

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

## Questions

1. Which setting best protects data stored on a lost mobile device?

A. Lower screen brightness  
B. SSID broadcast  
C. Full device encryption  
D. Disk Cleanup  

2. Which unlock method is weakest because it does not really authenticate the user?

A. PIN  
B. Swipe  
C. Fingerprint  
D. Password  

3. What is the main purpose of Mobile Device Management?

A. Increase battery capacity  
B. Replace DNS for all phones  
C. Convert mobile files to NTFS  
D. Centrally enforce mobile security and configuration policies  

4. A company lets employees use personal phones for company email. What policy is most relevant?

A. BYOD policy  
B. Guest Wi-Fi isolation only  
C. Disk defragmentation policy  
D. Printer sharing policy  

5. A phone is lost and may not be recovered. Which feature can protect company data by erasing the device?

A. Auto brightness  
B. NFC pairing  
C. Remote wipe  
D. Airplane mode  

6. Why are mobile OS and app updates important?

A. They remove the need for screen locks  
B. They can patch security vulnerabilities  
C. They disable encryption  
D. They guarantee unlimited storage  

7. Which behavior creates a higher malware risk, especially on Android devices?

A. Enabling automatic app updates  
B. Using a PIN  
C. Backing up the device  
D. Installing apps from unknown third-party sources  

8. What is the purpose of requiring a PIN or biometric to unlock a mobile device?

A. Increase screen brightness  
B. Prevent unauthorized access if the device is lost or stolen  
C. Extend battery life  
D. Enable file synchronization  

9. Which mobile feature allows an organization to separate personal and work data on a BYOD device?

A. Remote wipe of the entire device  
B. NFC disable  
C. Containerization or work profile  
D. Auto-brightness  

10. Why is disabling Bluetooth when not in use a security best practice on mobile devices?

A. It improves battery life and reduces the attack surface for Bluetooth-based attacks  
B. It enables GPS tracking  
C. It forces app updates  
D. It activates MDM  

11. A company policy requires that corporate email be wiped from a lost phone without erasing personal data. Which MDM capability enables this?

A. Full device wipe  
B. Selective wipe  
C. Remote disable of Bluetooth  
D. App store restriction  

12. A user's phone was factory reset by an unauthorized person, but they cannot activate it without the original account credentials. Which feature prevents unauthorized reuse?

A. Screen lock  
B. Activation lock (iCloud Lock or Factory Reset Protection on Android)  
C. NFC  
D. Bluetooth pairing  

13. Why should corporate email require device compliance (minimum OS version, PIN set) before syncing?

A. It increases storage  
B. It ensures devices meet baseline security requirements before accessing corporate data  
C. It disables screen rotation  
D. It removes biometric options  

14. What is a risk of connecting a mobile device to an untrusted USB charging port?

A. Slower charging only  
B. Juice jacking — malicious software or data exfiltration via USB  
C. Screen damage  
D. Battery overcharge  

15. Which mobile OS feature alerts users when an app requests access to location, camera, or microphone?

A. Screen brightness control  
B. App permission prompts  
C. DHCP lease renewal  
D. Bluetooth scan  

## Answer Key For Instructor

1. C
2. B
3. D
4. A
5. C
6. B
7. D
8. B
9. C
10. A
11. B
12. B
13. B
14. B
15. B