A tester is setting up a CI/CD pipeline for an Android app. The pipeline needs to run automated tests on multiple emulator configurations (different API levels and screen sizes) to ensure compatibility. What is the main advantage of using emulators in this CI/CD pipeline?

Emulators are the only way to run automated tests on Android.

Emulators can be created and destroyed programmatically, allowing dynamic test environments.

Emulators provide the most accurate performance metrics for the app.

Emulators do not require any system resources, making them lightweight.

A tester is deciding whether to use an emulator or a simulator for testing a mobile web app that runs in the browser. The app does not use any native device features. The tester wants to test on both iOS and Android. What is the most appropriate approach?

Use only the iOS Simulator because it is faster and can also emulate Android browsers.

Use only the Android Emulator because it can run both Android and iOS browsers.

Use the iOS Simulator for iOS and the Android Emulator for Android, because they both provide a realistic browser environment.

Use physical devices because simulators and emulators cannot render mobile web apps accurately.

A tester is using an Android emulator to test an app that uses the device's battery level to trigger a low-power mode. The tester wants to verify the app's behavior when the battery is at 5%. How can the tester simulate this condition?

Use the Android SDK's battery manager to set the level.

Connect a physical battery to the emulator.

Change the app's code to hardcode a battery level of 5%.

Use the emulator's extended controls to set the battery level to 5%.

What is a key architectural difference between emulators and simulators?

Both emulators and simulators replicate the hardware, but simulators use a different OS

Emulators are faster than simulators because they do not replicate hardware

Simulators replicate the hardware, while emulators only mimic the software

Emulators replicate the hardware and software architecture, while simulators only mimic the software behavior

Why might test results from an emulator not match results on a real device?

Because emulators cannot connect to the internet

Because emulators use a different programming language than real devices

Because emulators are only for iOS and real devices are Android

Because emulators do not replicate the exact hardware performance and behavior of the real device

Certified Tester Mobile Application Testing

Domain 4Objective 3

Emulators & Simulators CT-MAT Practice Questions (Page 4)

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 27 practice questions to prepare you well beyond it. (estimate)

27questions here

6free pages

7concepts

Questions 16–20

16application · medium
A tester is setting up a CI/CD pipeline for an Android app. The pipeline needs to run automated tests on multiple emulator configurations (different API levels and screen sizes) to ensure compatibility. What is the main advantage of using emulators in this CI/CD pipeline?
Select an answer first
17application · medium
A tester is deciding whether to use an emulator or a simulator for testing a mobile web app that runs in the browser. The app does not use any native device features. The tester wants to test on both iOS and Android. What is the most appropriate approach?
Select an answer first
18application · medium
A tester is using an Android emulator to test an app that uses the device's battery level to trigger a low-power mode. The tester wants to verify the app's behavior when the battery is at 5%. How can the tester simulate this condition?
Select an answer first
19foundation · easy
What is a key architectural difference between emulators and simulators?
Select an answer first
20foundation · easy
Why might test results from an emulator not match results on a real device?
Select an answer first

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