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Which mobile technology allows apps to work offline?
A. Local storage and caching.
B. Bluetooth.
C. GPS.
D. NFC.
Answer: Local storage and caching.
Which development environment is primarily used for iOS app development?
A. Xcode
B. Android Studio
C. Eclipse
D. Visual Studio
Answer: Xcode
Which of the following is a common method for authenticating users in mobile apps?
A. Biometric authentication (e.g., fingerprint or facial recognition).
B. Voice commands.
C. Hardware modifications.
D. Manual code entry.
Answer: Biometric authentication (e.g., fingerprint or facial recognition).
What is ‘mobile app caching’ used for?
A. Storing frequently accessed data to improve app performance.
B. Securing user data.
C. Designing the app's user interface.
D. Sending notifications to users.
Answer: Storing frequently accessed data to improve app performance.
What is ‘mobile app performance optimization’ aimed at?
A. Improving the app's speed and efficiency.
B. Designing the app's user interface.
C. Developing new features.
D. Securing user data.
Answer: Improving the app's speed and efficiency.
Which protocol is commonly used for secure communication between mobile apps and servers?
A. HTTPS (HyperText Transfer Protocol Secure)
B. FTP (File Transfer Protocol)
C. SMTP (Simple Mail Transfer Protocol)
D. POP3 (Post Office Protocol)
Answer: HTTPS (HyperText Transfer Protocol Secure)
What is ‘mobile app load testing’ used for?
A. Assessing how the app performs under heavy user load.
B. Designing the app's user interface.
C. Developing new features.
D. Securing app data.
Answer: Assessing how the app performs under heavy user load.
What does ‘mobile app push notification’ allow developers to do?
A. Send messages and updates to users even when the app is not open.
B. Enhance app performance.
C. Design app interfaces.
D. Secure app data.
Answer: Send messages and updates to users even when the app is not open.
What does ‘mobile app feature testing’ involve?
A. Evaluating individual features to ensure they work correctly.
B. Optimizing the app's performance.
C. Designing the app's user interface.
D. Securing user data.
Answer: Evaluating individual features to ensure they work correctly.