Emulators & Simulators CT-MAT Practice Questions (Page 1)

Questions 1–5

1. 1expert · hard

   A tester is comparing the behavior of an app on an iOS Simulator and a physical iPhone. The app uses the device's camera to scan QR codes. The tester notices that the scanning works on the physical device but fails on the simulator. What is the most likely reason for this difference?

   • AThe simulator's camera simulation is not capable of processing real-world images like QR codes.
   • BThe simulator does not support camera access at all.
   • CThe simulator requires a physical camera to be connected to the Mac to work.
   • DThe app is not compatible with the simulator's iOS version.
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2. 2application · medium

   A tester is using an Android emulator to test an app that relies on GPS location. The tester notices that the app behaves differently on the emulator compared to a physical device. What is the most likely reason for this discrepancy?

   • AThe emulator is not compatible with the app's GPS library.
   • BThe emulator does not support GPS at all.
   • CThe emulator uses the host computer's GPS, which is always accurate.
   • DThe emulator simulates GPS data, which may not accurately reflect real-world GPS behavior such as accuracy and signal strength.
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4. 3application · medium

   A tester is working on a project with a tight deadline and needs to run a large suite of automated UI tests on an Android app. The tests are primarily for regression and do not require hardware features. What is the main advantage of using an emulator for this task?

   • AEmulators provide the most accurate performance metrics for the app.
   • BEmulators are faster than physical devices for all types of tests.
   • CEmulators can be easily created and configured, allowing parallel execution of tests on multiple virtual devices.
   • DEmulators are the only way to run automated tests on Android.
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5. 4foundation · easy

   Which configuration option is commonly available when setting up a simulator for iOS testing?

   • AConfiguring the simulator to use a specific ARM processor architecture
   • BSelecting the iOS version and device type (e.g., iPhone model)
   • CSetting the simulator to use a physical SIM card for cellular tests
   • DConfiguring the simulator to access the device's GPU directly for graphics tests
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6. 5application · medium

   A small startup is developing a mobile app and wants to test it on multiple Android devices with different screen sizes and OS versions. They have a limited budget and cannot purchase many physical devices. What is the most cost-effective approach to achieve broad device coverage?

   • AUse Android emulators with different device profiles and API levels.
   • BUse iOS simulators to test the Android app.
   • CPurchase a few physical devices and test only on those.
   • DUse a cloud-based device farm for all testing, ignoring local emulators.
   Reveal Solution Discussion Select an answer first