A development team is building a cross-platform app with React Native. They have a single codebase and are testing on both iOS and Android. During testing, they find that a specific UI animation runs smoothly on iOS but stutters on a low-end Android device. The team needs to fix this. What is the most effective approach to address this performance issue?

Remove the animation entirely from the Android version of the app

Switch to a different cross-platform framework like Flutter to get better performance

Increase the animation's duration to make it slower and less demanding

Use the Animated API with the 'useNativeDriver' flag set to true

Which of the following is a key difference between iOS and Android operating system environments?

iOS is open-source, while Android is closed-source.

iOS supports a wider range of device manufacturers than Android.

Android allows users to install apps from third-party sources, while iOS restricts installation to the App Store by default.

Android has a single, unified user interface across all devices.

A developer is setting up a new Mac for iOS development. They have installed Xcode from the App Store. What is the next essential step to ensure they can deploy and test apps on a physical iPhone?

Download and install a third-party IDE like AppCode

Create an Apple Developer account and register the device

Configure the project's build settings to use a specific iOS simulator

Install the Android SDK to enable cross-platform testing

A fintech company is developing a mobile app that requires high-performance cryptographic operations and real-time biometric authentication. They have a large team of native iOS and Android developers. The app must be released simultaneously on both platforms. Which approach best balances the need for performance and security with the requirement for a simultaneous release?

Use a cross-platform framework like Flutter and rely on plugins for cryptographic operations

Develop a native app for iOS first and then port it to Android using a conversion tool

Use a hybrid web-based approach with a secure WebView

Develop two separate native apps, one for each platform, and coordinate the release dates

A developer is setting up a CI/CD pipeline for a mobile app project. The project has both an iOS and an Android app. The team uses a single codebase with a cross-platform framework. Which tool or service is most appropriate for building and testing the iOS app in the pipeline?

A Linux-based build agent running Android Studio

A cloud-based service that only offers Linux build agents

A macOS-based build agent running Xcode

A Windows-based build agent running Visual Studio

Certified Tester Mobile Application Testing

Domain 4Objective 1

Development Platforms for Mobile Applications CT-MAT Practice Questions (Page 5)

Part of the Mobile Application Platforms, Tools and Environment domain, which makes up ~22% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~6–9 in this domain), expect 2–2 from this objective — we provide 25 practice questions to prepare you well beyond it. (estimate)

25questions here

5free pages

6concepts

Questions 21–25

21expert · hard
A development team is building a cross-platform app with React Native. They have a single codebase and are testing on both iOS and Android. During testing, they find that a specific UI animation runs smoothly on iOS but stutters on a low-end Android device. The team needs to fix this. What is the most effective approach to address this performance issue?
Select an answer first
22foundation · easy
Which of the following is a key difference between iOS and Android operating system environments?
Select an answer first
23application · medium
A developer is setting up a new Mac for iOS development. They have installed Xcode from the App Store. What is the next essential step to ensure they can deploy and test apps on a physical iPhone?
Select an answer first
24application · medium
A fintech company is developing a mobile app that requires high-performance cryptographic operations and real-time biometric authentication. They have a large team of native iOS and Android developers. The app must be released simultaneously on both platforms. Which approach best balances the need for performance and security with the requirement for a simultaneous release?
Select an answer first
25application · medium
A developer is setting up a CI/CD pipeline for a mobile app project. The project has both an iOS and an Android app. The team uses a single codebase with a cross-platform framework. Which tool or service is most appropriate for building and testing the iOS app in the pipeline?
Select an answer first

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Development Platforms for Mobile Applications CT-MAT Practice Questions (Page 5)

Questions 21–25

Which of the following is a key difference between iOS and Android operating system environments?

A developer is setting up a new Mac for iOS development. They have installed Xcode from the App Store. What is the next essential step to ensure they can deploy and test apps on a physical iPhone?

A developer is setting up a CI/CD pipeline for a mobile app project. The project has both an iOS and an Android app. The team uses a single codebase with a cross-platform framework. Which tool or service is most appropriate for building and testing the iOS app in the pipeline?

Keep studying — Mobile Application Platforms, Tools and Environment