Certified Tester Mobile Application Testing Free Sample Questions

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CT-MAT Sample Questions

  1. Question 1

    Q1

    You are defining the device selection strategy for a new e-commerce application targeting the European market. The marketing team has provided analytics data indicating the following user distribution: 45% Android (mostly versions 12-14), 50% iOS (mostly latest 2 versions), and 5% legacy/other. The budget allows for a limited number of physical test devices. Based on the ISTQB Mobile Application Testing syllabus, which approach represents the MOST effective risk-based device selection strategy?

    Show answer & explanation

    Correct answer: C

    According to the syllabus, device selection should be data-driven based on the specific target audience (European market data in this case). Prioritizing the top devices that cover a significant majority (e.g., 80%) maximizes risk mitigation within budget, while cloud services cost-effectively handle the fragmented remainder (the long tail).

  2. Question 2

    Q2

    A startup is launching a 'Freemium' mobile game where the core loop is free, but users can purchase cosmetic items or watch ads to speed up progress. Which specific test scenario is CRITICAL for this business model to prevent revenue loss and ensure user retention?

    Show answer & explanation

    Correct answer: B

    In a Freemium model, the revenue stream depends entirely on In-App Purchases (IAP) and Ad monetization. The most critical risk is a user paying but not receiving the item (refund risk/bad reviews) or exploiting ads to get rewards without watching (revenue loss).

  3. Question 3

    Q3

    You are testing a mobile banking application that uses a Hybrid architecture. The app consists of a native container wrapping a Single Page Application (SPA). When testing the 'Offline Mode' capability, what is the primary technical limitation you should expect compared to a fully Native application?

    Show answer & explanation

    Correct answer: B

    Hybrid apps running in a WebView (like Cordova or early Ionic) rely on the browser engine. While they can store data, complex background synchronization and seamless offline-first experiences are often more performant and robust in native code due to direct OS API access without the JS bridge overhead.

  4. Question 4

    Q4Multiple answers

    Which of the following metrics are ESSENTIAL when calculating the 'Market Coverage' for a proposed list of test devices? (Select TWO)

    Show answer & explanation

    Correct answers: B, D

    To calculate coverage, you must know what percentage of your users are on a specific OS version. If you test iOS 17 but 40% of users are on iOS 16, your coverage is low.

    Screen fragmentation is a major mobile challenge. Knowing the distribution of screen sizes/densities ensures your test devices cover the visual configurations your users actually see.

  5. Question 5

    Q5

    A medical device company is developing a companion app that reads data from a bluetooth-connected insulin pump. Due to the critical nature of the app (safety-critical), which risk mitigation strategy is MOST appropriate during the test planning phase?

    Show answer & explanation

    Correct answer: B

    Safety-critical apps require the highest level of rigor. Emulators cannot accurately simulate Bluetooth hardware behaviors or pump failures. Risk mitigation must prioritize patient safety scenarios (connectivity, data accuracy) over less critical aspects.

  6. Question 6

    Q6

    True or False: A 'Thin Client' mobile application architecture performs the majority of business logic processing on the mobile device itself to reduce server load.

    Show answer & explanation

    Correct answer: B

    This is False. A 'Thin Client' architecture relies heavily on the server for processing business logic and data storage, with the mobile device acting primarily as a display and input terminal. A 'Fat' or 'Rich' client processes logic locally.

  7. Question 7

    Q7

    You are preparing a test plan for a Progressive Web App (PWA). Which of the following test scenarios is UNIQUE to PWAs compared to standard responsive websites?

    Show answer & explanation

    Correct answer: B

    PWAs are defined by their ability to be installed (Add to Home Screen) and function offline via Service Workers. Standard responsive websites do not have these specific capabilities, making this scenario unique to PWAs.

  8. Question 8

    Q8

    When conducting 'Interruption Testing' on a mobile banking application, you simulate an incoming phone call while a user is in the middle of a transaction transfer. What is the expected 'correct' behavior you are validating?

    Show answer & explanation

    Correct answer: B

    The standard correct behavior for interruptions is to suspend gracefully (saving state) and resume exactly where the user left off, or present a security screen if the sensitive app requires it. Crashing or losing input data is a failure.

  9. Question 9

    Q9

    You are testing the 'Runtime Permission' model on an Android 14 device. The user has previously selected 'Don't allow' for the Camera permission. When the user attempts to access the camera feature in the app again, what is the best practice behavior the app should demonstrate?

    Show answer & explanation

    Correct answer: D

    After a permission is denied (especially with 'Don't ask again' implicit in newer Android versions), the app cannot show the system prompt again. The best practice is to show a custom UI explaining the need and directing the user to Settings.

  10. Question 10

    Q10

    Which of the following scenarios represents a 'False Negative' in mobile automated testing?

    Show answer & explanation

    Correct answer: B

    A False Negative occurs when the test reports 'Pass' (Negative for defects), but a defect actually exists. This often happens if the script doesn't validate the correct end state or ignores background crashes.

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