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The IoT and Mobile Testing exam has 40 questions and runs 1 hour.
These 10 free IoT and Mobile Testing questions are organized by exam domain, so you can see how each part of the ASTQB IoT and Mobile Testing Certification blueprint is tested. Reveal the answer and explanation under each question.
Web-rendered task screens run inside an installed, operating-system-specific shell. A bridge provides access to the phone's native camera so a parcel-delivery app can capture barcodes. How is this application architecture classified?
Correct answer: A - Hybrid application
You have two remaining test slots for an air-quality logger: one realistic usage workload and one focused risk test. Viewing readings accounts for nearly all use. Factory reset is rare, but resetting with unuploaded records can destroy the only copy, which the release must prevent. Choose the plan that addresses both usage and consequence.
Correct answer: D - Preserve the observed mix and attempt a factory reset while records still await upload
A home-security app lets an owner share a camera with a guest for viewing only. The guest signs in with valid credentials over an encrypted connection. Although the app hides the camera-control buttons, a request sent directly to the control API makes the camera turn. Which security control has failed?
Correct answer: B - Server-side authorization of the guest's requested camera-control operation
A mobile checkout service has one response-time acceptance criterion: the 95th percentile must be no more than 2.0 seconds under the specified workload. Matched runs produce these results: original build, mean 0.8 seconds and 95th percentile 2.7 seconds; revised build, mean 1.0 second and 95th percentile 1.6 seconds. All other acceptance criteria pass. How should the response-time results be reported?
Correct answer: A - Only the revised build meets the response-time criterion
A sensor-configuration screen accepts whole-number sampling intervals from 3 through 24 seconds, inclusive. Four tests are reserved for the smallest accepted value, the largest accepted value, and the nearest rejected value at each end. Select the interval set that provides this coverage.
Correct answer: C - 2, 3, 24, and 25 seconds
A capacity-test report lists a target of 1,200 messages per second, a generator setting of 1,200, and an achieved send rate of 720. The generator's processor is saturated. The telemetry service receives all 720 messages per second with acceptable response times and no errors. Before claiming the target capacity, the test lead should:
Correct answer: D - Add load-generation capacity and verify the achieved arrival rate during a repeat run
Which combination of environments would verify cloud ingestion from 20,000 concurrent wearables and battery drain during real Bluetooth reconnection? The team has validated protocol clients and twelve representative physical units covering the supported wearable models.
Correct answer: B - Generate cloud load with the clients; measure battery drain and reconnection on the physical units
On an isolated industrial test rig, a controller must close a valve within 200 milliseconds of a simulated pressure trip, even without Internet access. Wi-Fi and cellular links share one gateway; the controller has an independent power supply. Tests have passed with either radio link disabled separately. Remote notification may be delayed. Which additional test examines the shared failure point while checking the required protection?
Correct answer: C - Remove gateway power, inject the trip input, and time the valve's physical closure
An asset tracker publishes movement events using MQTT 3.1.1 at QoS 1. After a connection interruption, one event is delivered twice with the same application event ID. The receiving service creates two movement records, although its requirement permits only one record per event ID. How should the tester classify the finding?
Correct answer: B - An application duplicate-handling failure; QoS 1 permits repeated delivery of the same event
Hundreds of copied test scripts need editing whenever either of two appliance suppliers changes its command interface. The scripts check identical appliance behavior, and deployed products require eight years of support. Which redesign most directly reduces repeated maintenance without weakening the checks?
Correct answer: D - Keep shared behavior checks and isolate supplier commands in replaceable adapters
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