D308 Mobile Application Development (Android)
Access The Exact Questions for D308 Mobile Application Development (Android)
💯 100% Pass Rate guaranteed
🗓️ Unlock for 1 Month
Rated 4.8/5 from over 1000+ reviews
- Unlimited Exact Practice Test Questions
- Trusted By 200 Million Students and Professors
Starting from
$30/month
What’s Included:
- Unlock Actual Exam Questions and Answers for D308 Mobile Application Development (Android) on monthly basis
- Well-structured questions covering all topics, accompanied by organized images.
- Learn from mistakes with detailed answer explanations.
- Easy To understand explanations for all students.
Free D308 Mobile Application Development (Android) Questions
1. Web mobile applications ________.
- Run only on the operating system for which they are programmed
- Are developed by professional programmers only
- Are usually developed using Objective-C, Java, or VB.Net
- Are limited by the capabilities of the browser
Explanation
Web mobile applications are limited by the capabilities of the browser because they run within a web browser rather than directly on a device’s operating system. Unlike native apps, they depend on browser technologies like HTML, CSS, and JavaScript, meaning they cannot fully access device hardware such as the camera or sensors. Their performance and features are therefore restricted by the browser’s functionality and internet connectivity.
2. An application developer needs to test an application across all of the operating systems used by the company. Each operating system will be tested individually in a lab environment. The company would like to minimize any additional hardware purchases for this project. Which of the following would be the best way to test this application?
- Purchase a system that is configured just above the hardware requirements for the highest-end operating system. Create separate VMs for each operating system.
- Purchase individual test computers that match the hardware requirements for each OS. Install different operating systems on each test computer.
- Designate existing user workstations to be used as testing systems. Run all application tests during non-working hours.
- Purchase a system that matches the minimum hardware requirements for the highest-end operating system. Create a system image for each OS.
Explanation
The best approach is to purchase a system that is configured just above the hardware requirements for the highest-end operating system and create separate virtual machines (VMs) for each OS. Virtualization allows multiple operating systems to run on a single physical machine, minimizing hardware costs while providing isolated environments for testing. Each VM can be configured independently, enabling efficient testing across various OS platforms without affecting the host system.
3. What is the best practice to protect sensitive data when it is not in use?
- Encryption at Rest
- Encryption in Transit
- Regular Data Backups
- Multi-Factor Authentication
Explanation
The best practice to protect sensitive data when it is not in use is Encryption at Rest. This means securing stored data—such as files, databases, or backups—by converting it into an unreadable format that can only be accessed with the proper decryption key. Encryption at rest ensures that even if unauthorized users gain access to the storage system, they cannot read or misuse the data without the encryption credentials.
4. During the development phase of mobile application creation, which of the following programming languages is primarily used for developing native iOS applications?
- Java
- Swift
- Kotlin
- JavaScript
Explanation
The primary programming language used for developing native iOS applications is Swift. Created by Apple, Swift offers a modern, safe, and efficient syntax that reduces programming errors and improves performance. It has largely replaced Objective-C for iOS, iPadOS, macOS, watchOS, and tvOS development. Swift integrates seamlessly with Apple’s Xcode IDE and provides developers with powerful tools for building fast, secure, and user-friendly apps.
5. What is a Native Application?
- An application that is made by the Cherokee Indians
- Most common application that has been developed and compiled for only one platform
- Most common application that has been developed and compiled for each platform but has no access to peripherals
- Most common application that has been developed and compiled for each platform and has access to all peripherals
Explanation
A Native Application is the most common application that has been developed and compiled for each platform and has access to all peripherals. Native apps are built using platform-specific programming languages (such as Swift for iOS or Kotlin for Android) and can fully utilize hardware and OS features like GPS, camera, and sensors. This results in high performance, seamless integration, and an optimized user experience unique to the target platform.
6. _______ is now Google's preferred Android IDE. It's based on the JetBrains IntelliJ IDEA Java IDE.
- Visual Studio
- None of the answers are correct
- Android Studio
- Eclipse
Explanation
Android Studio is Google’s official and preferred Integrated Development Environment (IDE) for Android app development. It is built on JetBrains’ IntelliJ IDEA and offers powerful tools for coding, debugging, and performance analysis. Android Studio provides features like Gradle-based build support, a rich layout editor, and integrated emulators that streamline the development process, making it the most efficient environment for Android developers.
7. Which of the following features is NOT included in Xcode for iOS development?
- Code editor
- Interface Builder
- Android Emulator
- iOS Simulator
Explanation
The feature not included in Xcode for iOS development is the Android Emulator. Xcode is Apple’s official Integrated Development Environment (IDE) for creating apps on macOS, iOS, watchOS, and tvOS. It includes tools such as a code editor, Interface Builder for UI design, and the iOS Simulator for testing apps. The Android Emulator, however, is part of Android Studio, Google’s IDE for Android app development.
8. Which type is best suited for mobile applications, which aim for the best possible performance?
- Native applications
- Web applications
- Hybrid applications
- Cross-platform applications
Explanation
Native applications are best suited for mobile apps that aim for the best possible performance. They are built specifically for a single platform—using languages like Swift or Objective-C for iOS, and Kotlin or Java for Android—allowing direct interaction with the operating system and hardware. This results in faster execution, smoother animations, and optimal responsiveness, which is especially critical for resource-intensive apps such as games or multimedia tools.
9. Which of the following statements accurately describes Flutter's primary advantage in mobile application development?
- It allows developers to write separate codebases for iOS and Android.
- It provides a single codebase for building applications across multiple platforms.
- It requires the use of Java or Kotlin for Android development.
- It is exclusively designed for native app development.
Explanation
Flutter’s primary advantage is that it provides a single codebase for building applications across multiple platforms, including iOS, Android, web, and desktop. Developed by Google, Flutter uses the Dart programming language and its own rendering engine to create high-performance, visually consistent apps. This cross-platform approach significantly reduces development time, costs, and maintenance while ensuring a unified user experience across devices and operating systems.
10. What is the primary goal of the testing phase in mobile application development?
- To verify that the app meets design specifications
- To ensure the app is visually appealing
- To confirm the app functions correctly and is free of bugs
- To gather user feedback for future updates
Explanation
The primary goal of the testing phase in mobile application development is to confirm the app functions correctly and is free of bugs. Testing ensures the application performs as expected under various conditions, maintains stability, and provides a smooth user experience. This phase identifies issues related to usability, performance, security, and compatibility before release, reducing post-launch problems and improving overall user satisfaction.
How to Order
1
Select Your Exam
Click on your desired exam to open its dedicated page with resources like practice questions, flashcards, and study guides.Choose what to focus on, Your selected exam is saved for quick access Once you log in.
2
Subscribe
Hit the Subscribe button on the platform. With your subscription, you will enjoy unlimited access to all practice questions and resources for a full 1-month period. After the month has elapsed, you can choose to resubscribe to continue benefiting from our comprehensive exam preparation tools and resources.
3
Pay and unlock the practice Questions
Once your payment is processed, you’ll immediately unlock access to all practice questions tailored to your selected exam for 1 month .