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Question 1. Which mobile business model typically offers basic functionality for free but requires payment to unlock premium features? A) Paid B) Freemium C) Subscription D) Ad‑Supported Answer: B Explanation: Freemium apps provide a free version with limited features; users pay to access advanced capabilities. Question 2. In mobile analytics, which data point is most useful for prioritizing device testing? A) Average session length B) Geographic distribution of users C) OS version market share among users D) Number of app installs per month Answer: C Explanation: Knowing which OS versions are most used helps focus testing on the devices that affect the largest user base. Question 3. Which of the following is NOT a typical classification of mobile devices? A) Smartphone B) Tablet C) Mainframe D) Wearable Answer: C Explanation: Mainframes are large-scale computers, not a mobile device category.
Question 4. A key difference between mobile testing and traditional desktop testing is: A) Mobile apps never require security testing. B) Mobile testing must consider battery consumption. C) Desktop testing does not need UI validation. D) Mobile testing never uses automated tools. Answer: B Explanation: Battery usage is a critical non‑functional requirement for mobile apps, unlike desktop applications. Question 5. Device fragmentation primarily refers to: A) The number of apps installed on a device. B) Variations in screen sizes, hardware specs, and OS versions. C) The amount of free storage on a device. D) The number of users switching between devices. Answer: B Explanation: Fragmentation describes the wide variety of device configurations that must be supported. Question 6. Which type of mobile application runs inside a native container but renders UI using web technologies? A) Native app B) Hybrid app C) Mobile web app D) Progressive Web App (PWA) Answer: B
D) Deploying on a cloud platform Answer: B Explanation: Poorly tested apps can lead to user dissatisfaction and measurable business impact. Question 10. When defining a mobile test scope, which factor should be considered last? A) Target OS versions B) Device market share among users C) Preferred programming language of developers D) Critical user flows identified from analytics Answer: C Explanation: The development language does not dictate which devices or OS versions need testing. Question 11. Which scenario is best suited for manual testing rather than automation? A) Regression suite covering login flow on 30 devices B) Verifying UI layout on a new screen size C) Load testing API endpoints with 10,000 virtual users D) Running a nightly smoke test on a CI server Answer: B Explanation: Visual inspection of UI on a new form factor often requires human judgment. Question 12. Emulators differ from simulators primarily in that they: A) Run on real hardware devices. B) Replicate the device’s hardware and OS stack. C) Provide faster execution but less accurate hardware behavior. D. Only support iOS platforms.
Answer: B Explanation: Emulators mimic both hardware and OS, while simulators typically replicate only the OS environment. Question 13. Which of the following is a key requirement for a dedicated mobile test lab? A. Unlimited internet bandwidth B. A mix of real devices covering major OS versions and screen sizes C. Only one high‑end flagship device D. A single OS version for consistency Answer: B Explanation: A diverse device pool ensures coverage of fragmentation issues. Question 14. To simulate a poor network condition where latency is high and bandwidth is low, a tester should use: A. Device battery saver mode B. Network throttling tools (e.g., Charles, Network Link Conditioner) C. Dark mode UI theme D. Screen rotation lock Answer: B Explanation: Throttling tools let testers mimic latency, bandwidth limits, and packet loss. Question 15. In the mobile testing life cycle, which activity follows test design? A. Test planning B. Test execution C. Test closure D. Test analysis Answer: B
Answer: B Explanation: Update testing validates in‑place upgrades while preserving data and settings. Question 19. When an incoming call interrupts an app, the appropriate test is: A. Performance testing B. Interruption testing C. Usability testing D. Security testing Answer: B Explanation: Interruption testing examines app behavior during calls, SMS, notifications, etc. Question 20. Battery low warning handling belongs to which testing type? A. Interruption testing B. Performance testing C. Compatibility testing D. Localization testing Answer: A Explanation: Battery warnings are external interruptions that can affect app state. Question 21. Testing that an app’s UI elements remain legible when the device is rotated to landscape is part of: A. Usability testing B. Compatibility testing C. Accessibility testing D. Interruption testing Answer: B
Explanation: Compatibility testing includes verifying UI across orientations and screen sizes. Question 22. Which accessibility feature should be verified for a visually impaired user? A. Push notification badge count B. Screen reader support (e.g., TalkBack, VoiceOver) C. GPS accuracy D. Battery usage indicator Answer: B Explanation: Screen readers convey UI information audibly, essential for visually impaired users. Question 23. Backward compatibility testing primarily checks: A. App performance on older hardware B. Ability of newer app versions to run on older OS versions C. Whether the app can run on desktop browsers D. Compatibility with future OS releases Answer: B Explanation: Backward compatibility ensures newer builds still function on legacy OS versions. Question 24. Measuring app launch time under a 3G network falls under: A. Security testing B. Performance testing C. Localization testing D. Installation testing Answer: B Explanation: Response time and load time under varying network conditions are performance metrics.
Question 28. Which security test checks that a session token expires after a defined period of inactivity? A. Authentication testing B. Authorization testing C. Session management testing D. Data encryption testing Answer: C Explanation: Session management ensures tokens are invalidated after inactivity, preventing hijacking. Question 29. Using HTTPS for all network communication primarily addresses which security concern? A. SQL injection B. Data interception (Man‑in‑the‑Middle) C. Unauthorized camera access D. Weak password storage Answer: B Explanation: HTTPS encrypts data in transit, protecting it from eavesdropping. Question 30. Input validation that rejects special characters in a text field helps prevent: A. Buffer overflow attacks B. Cross‑site scripting (XSS) C. SQL injection attacks D. Both B and C Answer: D Explanation: Proper validation mitigates both XSS and SQL injection vectors.
Question 31. When an app requests location permission, the test should verify that the permission dialog: A. Appears only after the user taps a “Help” button. B. Shows the correct OS‑level wording and can be denied. C. Is displayed in the background without user interaction. D. Is automatically granted on all devices. Answer: B Explanation: Permission dialogs must be clear, accurate, and allow the user to deny access. Question 32. Localization testing includes checking: A. Font rendering for right‑to‑left languages. B. Battery consumption on different regions. C. Network latency variations across continents. D. Device sensor accuracy. Answer: A Explanation: RTL languages affect layout and font rendering, which must be validated. Question 33. A German translation causing a button label to be truncated is a defect in: A. Compatibility testing B. Localization testing C. Performance testing D. Security testing Answer: B Explanation: Truncation due to longer translated strings is a localization issue. Question 34. Testing the integration of a device’s accelerometer to detect a shake gesture belongs to:
B. Regression tests that run on each build C. Visual design review of a new screen D. Manual accessibility audit Answer: B Explanation: Regression suites benefit most from repeatable, automated execution. Question 38. In a Test Automation Architecture (TAA), the “driver layer” is responsible for: A. Defining test case objectives. B. Interacting directly with the device or emulator. C. Generating HTML test reports. D. Managing test data files. Answer: B Explanation: The driver layer abstracts communication with the underlying platform (e.g., Appium driver). Question 39. Which open‑source tool uses the UIAutomator framework for Android UI testing? A. Calabash B. Appium C. Espresso D. Selendroid Answer: C Explanation: Espresso is built on UIAutomator APIs for native Android UI tests. Question 40. Cloud‑based Real Device Clouds provide which primary advantage? A. Unlimited free testing minutes. B. Access to a wide variety of physical devices without maintaining hardware.
C. Automatic generation of test cases from requirements. D. Built‑in AI to fix bugs. Answer: B Explanation: Real device clouds let teams run tests on many actual devices remotely. Question 41. API testing in mobile projects is primarily performed to: A. Validate the UI layout on different screens. B. Ensure backend services return correct data independent of the UI. C. Measure battery consumption of network calls. D. Test push notification rendering. Answer: B Explanation: API tests focus on server‑side functionality, confirming data contracts without UI involvement. Question 42. Integrating mobile tests into a CI/CD pipeline helps achieve: A. Longer release cycles. B. Immediate feedback on code changes. C. Reduced need for test documentation. D. Automatic UI design generation. Answer: B Explanation: CI/CD runs automated tests on each commit, alerting developers early to regressions. Question 43. Which reporting format is commonly generated by mobile test automation frameworks for easy stakeholder consumption? A. Plain text logs only B. HTML dashboards with pass/fail statistics
C. High network latency. D. Low screen brightness. Answer: A Explanation: Missing or misconfigured permissions often cause the app to abort during startup. Question 47. To verify that an iOS app complies with App Store Review Guidelines regarding privacy, a tester should check: A. That the app uses only Swift language. B. That all required permission prompts are displayed before accessing sensitive data. C. That the app runs on the latest iPhone model only. D. That the app’s icon is 1024 × 1024 px. Answer: B Explanation: Privacy compliance requires clear permission requests for data like location, contacts, etc. Question 48. Which testing technique is most appropriate for evaluating how an app behaves when the device switches from Wi‑Fi to cellular data mid‑session? A. Compatibility testing B. Network interruption testing C. Usability testing D. Localization testing Answer: B Explanation: Network interruption testing simulates connectivity changes and loss. Question 49. When performing gesture testing, the “long press” gesture is primarily used to: A. Open the device’s notification shade.
B. Trigger context menus or special actions within the app. C. Capture a screenshot. D. Switch between apps. Answer: B Explanation: Long press often brings up contextual options in mobile UI. Question 50. A test that verifies the correct formatting of dates for users in Japan is an example of: A. Performance testing B. Localization testing C. Security testing D. Compatibility testing Answer: B Explanation: Date format varies by locale; validating it is part of localization. Question 51. Which of the following best describes “device‑farm” testing? A. Running tests on a single emulator repeatedly. B. Executing tests across many physical devices hosted in a cloud service. C. Using a farm of virtual machines to simulate mobile OSes. D. Testing only on devices that belong to the development team. Answer: B Explanation: Device farms provide access to a large pool of real devices for parallel testing. Question 52. In mobile automation, the “Page Object Model” (POM) helps: A. Reduce the number of test cases required. B. Separate test logic from UI element locators for better maintainability.
D. The app stores the biometric data in plain text. Answer: B Explanation: Proper handling of biometric prompts and fallback behavior is critical for security and usability. Question 56. Which of the following is a key metric for evaluating memory usage in iOS apps? A. Heap size in megabytes B. Number of push notifications received C. GPS accuracy in meters D. Screen brightness level Answer: A Explanation: Heap size indicates how much RAM the app allocates, useful for detecting leaks. Question 57. In the context of mobile security, “certificate pinning” is used to: A. Prevent the app from being installed on rooted devices. B. Ensure the app only trusts a specific server certificate, mitigating MITM attacks. C. Encrypt local database files. D. Restrict app usage to a single device. Answer: B Explanation: Pinning binds the app to a known certificate, reducing risk of forged SSL/TLS connections. Question 58. Which type of testing would you perform to ensure that an app’s UI adapts correctly when the system font size is increased via accessibility settings? A. Compatibility testing B. Accessibility testing
C. Performance testing D. Security testing Answer: B Explanation: Accessibility testing checks UI behavior under larger fonts, screen readers, etc. Question 59. When using Appium to automate a hybrid app, which context must be switched to interact with web‑view elements? A. NATIVE_APP B. WEBVIEW_<package_name> C. AUTOMATION_CONTEXT D. DEVICE_CONTEXT Answer: B Explanation: Hybrid apps have separate native and webview contexts; switching to the appropriate WEBVIEW allows DOM interaction. Question 60. A test that verifies an app’s ability to recover from a sudden loss of GPS signal is an example of: A. Installation testing B. Interruption testing C. Localization testing D. Compatibility testing Answer: B Explanation: GPS loss is an external interruption that the app must handle gracefully. Question 61. Which of the following best describes “dark mode” testing? A. Verifying that the app’s UI elements are visible and correctly colored when the system theme is set to dark.
