IBM Mobile Application Development Intermediate Practice Exam: Medium Difficulty 2025

A mobile application needs to support both iOS and Android platforms while maintaining native performance for graphics-intensive features like image processing. The development team has limited resources and tight deadlines. Which architectural approach would BEST balance these requirements?

During the design phase of a mobile banking application, the architect needs to implement offline data synchronization that handles conflicts when users make transactions while disconnected. Which pattern should be implemented to ensure data consistency?

A development team is building a React Native application that requires integration with a device's biometric authentication system and native calendar APIs. What is the MOST appropriate approach to implement these features?

An e-commerce mobile application experiences intermittent crashes only on certain Android devices running older versions of the OS. The crashes occur during checkout when processing payment information. What debugging approach would be MOST effective in identifying the root cause?

A mobile application uses multiple third-party SDKs for analytics, advertising, and payment processing. During integration testing, the app occasionally freezes on startup. What is the BEST strategy to identify which SDK is causing the issue?

A company is developing a hybrid mobile app using Cordova for both iOS and Android. The app needs to access the device camera, store photos locally, and sync them to a cloud service. Which combination of approaches would provide the MOST reliable implementation?

Before submitting an iOS application to the App Store, the development team needs to ensure compliance with Apple's guidelines. The app collects user location data for a fitness tracking feature. What steps are REQUIRED for approval?

A mobile application has been updated with new features and is ready for deployment. The team wants to minimize risk by gradually rolling out the update while monitoring for issues. Which deployment strategy would BEST accomplish this goal?

An application architecture needs to handle real-time data updates for a collaborative task management app where multiple users can edit the same tasks simultaneously. Which architectural pattern would be MOST suitable for this requirement?

A mobile application update was rejected by the Google Play Store due to policy violations related to background location access. The app is a delivery service that needs to track driver locations. What is the MOST appropriate action to gain approval?