ISTQB CTAL-TAE Exam (page: 1)
ISTQB Certified Tester Advanced Level Test Automation Engineering
Updated on: 07-Feb-2026

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Which of the following is considered a disadvantage of test automation?

  1. Automated exploratory testing is difficult to implement.
  2. Test automation can be a distraction from the objective of finding bugs.
  3. Tests are more likely to have operator errors.
  4. Slower feedback on the quality of the system.

Answer(s): A

Explanation:

Automated exploratory testing is difficult to implement because exploratory testing relies heavily on human intuition, creativity, and adaptability - qualities that are challenging to replicate in automated scripts. This makes it a recognized disadvantage of test automation.



Which of the following is an important success factor for any significant automation project?

  1. The TAA must be designed for testability.
  2. The TAA is self-documenting.
  3. The SUT must be designed for testability.
  4. The SUT is self-documenting.

Answer(s): C

Explanation:

A critical success factor for test automation is that the System Under Test (SUT) must be designed for testability. If the SUT is not testable - for example, due to lack of interfaces or poor observability - automating tests becomes difficult or ineffective. Testability directly impacts the ability to automate reliably and efficiently.



You are working as a TAE for a company who are re-designing their website. The new website provides information for customers and there are two minor features being developed:

1. Request a newsletter
2. Ability to contact the organisation with a question or comment

The website must be "mobile friendly" and available on all major web browsers.

You have been tasked to provide an automated solution for web browsers only and to concentrate on the two minor features.

What would be a KEY challenge with automation in this context?

  1. A low level of intrusion is likely from use of existing UI elements, but depending on the solution this might be more complex than a higher level of intrusion.
  2. Because there is a high level of intrusion there may be many false alarms.
  3. Automation might not be possible on the mobile devices.
  4. The benefits of automation might not be achieved for many years due to the complexities of the SUT and automation solution.

Answer(s): A

Explanation:

A low level of intrusion (i.e., using existing UI elements without modifying the SUT) is generally preferred, but it can make automation more complex, especially when working with dynamic web elements across multiple browsers. In this context, the challenge lies in designing reliable automation for minor features without altering the system, which may result in higher effort for maintaining and stabilizing the automation scripts.



You are working as a TAE for a company who have been using a web test execution tool for a number of years. The tool has been used successfully on ten web applications in the past.

The company are developing a new web application which has a friendly User Interface, but the developers have used an object throughout the application which the tool is unable to recognise. As a result, you have no way of capturing the object or verifying the contents using the automation tool.

What is the first thing you should do about this problem?

  1. See if the application can be run on a desktop and if the object can be recognised on the desktop by the tool.
  2. Investigate whether the object can be recognised by other test execution tools in the market.
  3. Ask the developers to remove the object and replace it with some text fields.
  4. Ask the developers if they can change the object to something that can be recognised by the tool.

Answer(s): D

Explanation:

The first step should be to collaborate with the developers and ask if the object can be changed to something that the automation tool can recognize. This aligns with the principle of designing for testability and promotes a low-cost, cooperative solution before exploring more complex or disruptive alternatives.



You are evaluating several test modelling tools and are wanting to automatically generate test cases within the tool where many different combinations of input data are created.

You are then wanting to export the test cases into a .csv file which can then be read by a functional test execution tool using a data-driven or keyword-driven scripting method.

You have investigated several tools and there is only one tool that provides all the necessary features defined by your team with the exception of the export facility. It does not provide an export into either .xls or .csv formats.

What would be the BEST next step regarding the selection of this tool?

  1. Consider another tool that is more "fit for purpose" and has all the features required.
  2. Explore the possibility of creating your own export facility.
  3. Ask the vendor and use forums to see if a solution is available or going to be available in the future.
  4. Purchase this tool and generate the .csv file manually.

Answer(s): C

Explanation:

The best next step is to ask the vendor and consult forums to determine if a solution exists or is planned. This approach maintains focus on a potentially ideal tool while exploring practical ways to overcome the export limitation, without immediately discarding it or committing to manual work or in-house development.



When the SUT provides insight into the behaviour of the system, providing the users the with the status of the various actions performed so that they can check that expected behaviour equals actual behaviour, what is this called?

  1. Portability.
  2. Maintainability.
  3. Observability.
  4. Controllability.

Answer(s): C

Explanation:

Observability refers to the ability of the system to provide insight into its internal behavior by exposing outputs, logs, or statuses. This helps users or testers verify that the actual behavior matches the expected behavior during test execution.



When the SUT provides interfaces that can then be used to perform actions on the SUT, what is this called?

  1. Portability.
  2. Maintainability.
  3. Observability.
  4. Controllability.

Answer(s): D

Explanation:

Controllability refers to the ability to control the SUT during testing, typically through interfaces or APIs. This allows automated tests to perform specific actions or place the system in desired states, which is essential for efficient and reliable test execution.



What are the four horizontal layers of the gTAA?

  1. Test adaptation, test execution, test design, test definition.
  2. Test generation, test execution, test definition, test APIs.
  3. Test generation, test definition, test execution, test adaptation
  4. Test definition, test execution, test reporting, test adaptation

Answer(s): C

Explanation:

The Generic Test Automation Architecture (gTAA) consists of four horizontal layers: test generation, test definition, test execution, and test adaptation. These layers represent the flow from creating abstract tests to executing them on the system through appropriate adapters.



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