Emulators & Simulators CT-MAT Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A tester is using an Android emulator to test an app that uses the camera. The app crashes when the camera is accessed. What is the most likely cause?

   • AThe emulator requires a physical camera to be connected to the host machine.
   • BThe emulator's virtual camera may not support all camera features, such as flash or high-resolution capture, leading to crashes.
   • CThe app is incompatible with the emulator's operating system version.
   • DThe emulator does not support camera access.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A tester needs to test an iOS app's behavior when the device receives a phone call during app usage. The tester does not have a physical iPhone. What is the most appropriate tool and approach?

   • AUse an Android emulator to simulate an incoming call on iOS.
   • BUse the iOS Simulator and simulate an incoming call via the Simulator's Features menu.
   • CUse a cloud-based iOS simulator service that provides physical device simulation.
   • DUse a physical Android device with an iOS emulator installed.
   Reveal Solution Discussion Select an answer first
4. 23expert · hard

   A team is testing a mobile game that relies heavily on the device's GPU for rendering. They are using an Android emulator to run performance tests. The results show significantly lower frame rates compared to a physical device. What is the most likely reason for this discrepancy?

   • AThe emulator uses the host computer's GPU, which is always slower than mobile GPUs.
   • BThe emulator is not compatible with the game's graphics engine.
   • CThe emulator's GPU emulation is not as efficient as real mobile hardware, leading to lower performance.
   • DThe emulator does not support GPU acceleration at all.
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A tester is evaluating a mobile app that uses Bluetooth Low Energy (BLE) to connect to a wearable device. The tester needs to verify the app's behavior when the BLE connection is lost and re-established. The team has access to both an Android emulator and a physical Android device. What is the most appropriate testing approach?

   • AUse the Android emulator because it can simulate BLE connections and disconnections reliably.
   • BUse a simulator because it can emulate BLE more accurately than an emulator.
   • CUse the physical device because it provides real BLE hardware behavior, which is critical for connection loss and re-establishment scenarios.
   • DUse the emulator for initial testing and the physical device for final validation.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   In terms of fidelity, how do emulators compare to simulators?

   • ASimulators have higher fidelity because they run on the host OS directly
   • BBoth have the same fidelity because they both run on the host machine
   • CFidelity depends only on the test tool, not on the type of virtual environment
   • DEmulators have higher fidelity because they replicate the device's hardware and software
   Reveal Solution Discussion Select an answer first