1. : What is the main purpose of app permissions in mobile devices?
(A) To increase app speed
(B) To control app access to sensitive device features and data
(C) To delete unused files automatically
(D) To allow background music playback
2. : Which of the following is a common security risk of granting unnecessary app permissions?
(A) Faster performance
(B) Increased storage space
(C) Data leakage and privacy invasion
(D) Reduced app size
3. : Which permission is most sensitive in mobile devices?
(A) Access to camera and microphone
(B) Access to wallpapers
(C) Access to calculator
(D) Access to flashlight
4. : What is mobile malware commonly spread through?
(A) Installing apps from untrusted sources
(B) Charging the phone
(C) Using airplane mode
(D) Turning on Bluetooth
5. : Which technology helps protect communication between mobile apps and servers?
(A) HTTP
(B) HTTPS / SSL encryption
(C) Plain text messaging
(D) File compression
6. : On Android, what is the file format that may contain malicious apps if downloaded from unofficial sources?
(A) .ipa
(B) .apk
(C) .exe
(D) .bin
7. : Which feature in iOS helps restrict apps from tracking user activity across other apps and websites?
(A) App Sandbox
(B) Screen Time
(C) App Tracking Transparency (ATT)
(D) Gatekeeper
8. : What is the function of biometric authentication in mobile devices?
(A) To replace storage encryption
(B) To unlock the device and secure sensitive apps using fingerprint or face recognition
(C) To improve internet speed
(D) To back up data automatically
9. : Which of the following helps protect against malicious apps on Android?
(A) Google Play Protect
(B) iTunes Store
(C) Siri
(D) Bluetooth pairing
10. : A good security practice when installing apps is to:
(A) Grant all permissions without reading
(B) Only install apps from official app stores
(C) Disable screen lock
(D) Keep Wi-Fi always turned off