Test Automation Engineer Free Sample Questions

20 free sample questions206 in the full practice test Other version: CTAL-TAE(235)

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CT-TAE Sample Questions

  1. Question 1

    A financial services company is adopting an Agile development model. The Test Automation Engineer (TAE) is tasked with selecting a suitable automation tool for a new trading application. The development team has strong Java skills, while the manual QA team has deep domain knowledge but limited programming experience. The SUT is a complex web application with a REST API backend. Which factor is MOST critical when selecting a test automation tool for this context?

    Answer and explanation

    Correct answer: B

    According to the syllabus (1.2.2), the composition and experience of the team is a key factor. In this scenario, the ideal tool should leverage the developers' Java skills for building a robust framework while potentially offering a keyword-driven or BDD layer that allows the domain-expert manual testers to contribute to test case creation. A tool that only caters to one group would be suboptimal.

  2. Question 2

    A project following a strict Waterfall model is in the verification phase. The test automation suite, which was developed during the implementation phase, is now being executed. A significant number of tests are failing due to mismatches in UI element locators. What is a primary disadvantage of test automation highlighted by this scenario?

    Answer and explanation

    Correct answer: C

    The Waterfall model's late verification phase means that any changes made to the UI after the automation scripts were written will cause failures. This highlights a key disadvantage of test automation: its rigidity and the significant maintenance effort required when the SUT changes, a problem exacerbated by development models with long feedback cycles.

  3. Question 3

    A development team is building a microservices-based e-commerce platform. The Order service consumes APIs from the Inventory service. To ensure stability and independent deployment, the teams have decided to implement contract testing. The Order service team (the consumer) defines the exact request/response structure they expect from the Inventory service. Which of the following statements accurately describes this implementation?

    Answer and explanation

    Correct answer: C

    The scenario describes consumer-driven contract testing. The consumer (Order service) defines its expectations in a contract. This contract is then used to verify that the provider (Inventory service) adheres to it, allowing for independent development and deployment while guaranteeing compatibility.

  4. Question 4

    Multiple answers

    A Test Automation Engineer (TAE) is setting up a new CI/CD pipeline for a mobile application. The goal is to get rapid feedback. The pipeline includes stages for building, running unit tests, and deploying to a test environment. The TAE needs to integrate system-level UI tests. Which approach should be applied to integrate these tests effectively without slowing down the primary build and deployment feedback loop? (Select TWO).

    Answer and explanation

    Correct answers: B, D

    Executing system tests in a separate pipeline prevents them from blocking the primary CI pipeline, which should provide fast feedback on build health and unit tests. This allows for thorough testing without delaying developer feedback.

    Including a quick smoke test suite in the main deployment pipeline serves as an effective quality gate to catch critical failures immediately after deployment, without adding significant time to the feedback loop.

  5. Question 5

    A team manages testware for multiple SUTs that share a common set of features but also have unique functionalities. To support different release cycles and feature sets, the TAE needs to manage the test cases and test environment configurations effectively. The SUT releases use feature toggles to enable or disable functionality. How should the TAE manage the testware to align with this release strategy?

    Answer and explanation

    Correct answer: C

    Syllabus section 5.1.2 describes using a feature toggle configuration within the testware itself. This allows a single codebase of tests to be dynamically selected for execution based on the SUT's configuration, which is the most scalable and maintainable approach for managing tests aligned with feature toggles.

  6. Question 6

    During a pilot project for a new Test Automation Solution (TAS), a TAE observes that the automated tests running on shared test devices (e.g., mobile phones) are intermittently failing. Investigation reveals that the failures correlate with high CPU and memory usage on the devices, often caused by other processes. This was not a problem during manual testing. Which deployment risk does this scenario highlight?

    Answer and explanation

    Correct answer: C

    The syllabus (4.2.1) explicitly lists resource utilization (e.g., CPU, RAM) as a key deployment risk. Automated tests often run faster and can be more resource-intensive than manual operations, making them more sensitive to contention in shared environments. A proper risk analysis must account for this.

  7. Question 7

    A test automation framework has a set of test scripts where database connection strings, API endpoints, and user credentials are hardcoded directly within each script. This has led to significant maintenance overhead whenever the test environment changes. To improve maintainability, the TAE decides to refactor the code. Which clean code principle is MOST directly addressed by this refactoring effort?

    Answer and explanation

    Correct answer: B

    The syllabus (4.3.1) explicitly states that hardcoding should be avoided to improve maintainability. The scenario describes a classic case of hardcoding configuration data. Refactoring this to use external configuration files or a data-driven approach directly addresses this principle, making the testware easier to maintain.

  8. Question 8

    True or False: When verifying a new Test Automation Solution (TAS), the process should focus solely on the functional correctness of the test scripts themselves.

    Answer and explanation

    Correct answer: B

    This statement is false. According to syllabus section 7.1, verifying a TAS is comprehensive. It includes not only the test scripts but also the test tool installation, setup, configuration, connectivity to systems, the repeatability of environment setup/teardown, and TAF component testing.

  9. Question 9

    An automated regression suite contains a test case that fails intermittently, approximately 20% of the time. Root cause analysis is difficult. The test verifies a critical payment processing workflow. What is the most appropriate immediate action for the TAE to take regarding this test case?

    Answer and explanation

    Correct answer: D

    Syllabus section 7.1.2 advises that test cases which do not give a reliable result (e.g., due to race conditions) should be moved from the active automated test suite and analyzed separately. This prevents the unreliable test from blocking the pipeline or eroding confidence in the regression suite, while allowing focused investigation.

  10. Question 10

    A TAE is analyzing the test results of a web application and notices that many test failures are due to changes in the CSS selectors used for UI elements. This requires significant manual effort to update the test scripts after each front-end release. Which continuous improvement opportunity would provide the MOST effective solution to this problem?

    Answer and explanation

    Correct answer: B

    Syllabus section 8.1.1 explicitly discusses utilizing AI and self-healing algorithms as an improvement opportunity. These tools can detect when a locator has changed, identify the new selector based on various attributes, and automatically fix the test case, drastically reducing maintenance effort for fragile UI tests.

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