Why is testing integration with external systems challenging for mobile apps?

Because mobile apps must be tested for battery consumption

Because mobile apps must be tested on different screen sizes

Because the app depends on backend services, sensors, and other apps that may not be available or consistent during testing

Because mobile apps must be tested for network variability

Which of the following is a unique security risk in mobile apps?

The app being too large to download

Insecure storage of sensitive data on the device

The app not supporting multiple languages

A team is testing a messaging app that must handle offline mode and sync messages when the connection is restored. The app currently loses messages if the user closes it while offline. What is the most important test to perform?

Test that the app displays an error message when offline.

Test that the app consumes minimal battery while offline.

Test that messages are stored locally and synced to the server after reconnection.

Test that the app can be uninstalled and reinstalled without losing data.

A team is testing a mobile app that is used by elderly users. The app has small text and buttons, and users have difficulty reading and tapping. The team wants to improve the app's usability. What is the most effective approach?

Add a tutorial that explains how to use the app.

Increase the font size and button size based on general accessibility guidelines.

Conduct usability testing with representative elderly users and iterate on the design based on feedback.

Test the app on a device with a larger screen.

A mobile app for a financial service stores user credentials on the device. The team is performing a security review and finds that the credentials are stored in a shared preferences file. What is the most appropriate action?

Store the credentials on the backend server and require authentication each time.

Obfuscate the credentials before storing them in shared preferences.

Rely on the app sandbox to protect the credentials.

Use the platform's secure storage API, such as Keychain or Keystore, to store credentials.

Certified Tester Mobile Application Testing

Domain 1Objective 7

Challenges of Mobile Application Testing CT-MAT Practice Questions (Page 2)

Part of the Mobile World - Business and Technology Drivers domain, which makes up ~40% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~10–16 in this domain), expect 1–2 from this objective — we provide 33 practice questions to prepare you well beyond it. (estimate)

33questions here

7free pages

8concepts

Questions 6–10

6foundation · easy
Why is testing integration with external systems challenging for mobile apps?
Select an answer first
7foundation · easy
Which of the following is a unique security risk in mobile apps?
Select an answer first
8application · medium
A team is testing a messaging app that must handle offline mode and sync messages when the connection is restored. The app currently loses messages if the user closes it while offline. What is the most important test to perform?
Select an answer first
9expert · hard
A team is testing a mobile app that is used by elderly users. The app has small text and buttons, and users have difficulty reading and tapping. The team wants to improve the app's usability. What is the most effective approach?
Select an answer first
10expert · hard
A mobile app for a financial service stores user credentials on the device. The team is performing a security review and finds that the credentials are stored in a shared preferences file. What is the most appropriate action?
Select an answer first

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