Question 6 - ISTQB CTAL-TAE Real Exam Questions [March 2026 Update]

Q: 6

Which of the following statements about the reuse of TAS artefacts is TRUE?

Options

Discussion

Chloe Mar 16, 2026 7:34 am

A . Official guide and practice tests both point out reusable artefacts can be in different TAA layers.

CameronK Mar 15, 2026 4:44 pm

Option A B is a common trap here, since good design isn't enough for reuse by itself.

LeoE Mar 7, 2026 4:56 am

A for sure

Jamie X. Mar 6, 2026 7:22 am

I don’t think it’s D. A. Official materials say reusable TAS artefacts can be spread across different TAA layers.

Sanjay Mar 3, 2026 4:30 pm

C vs D for me, not sure. C kinda makes sense since maintaining and improving communication about artefacts would help with reuse over the whole lifecycle, not just at design. But D seems like a trap because adaptors are more about integration than pure reuse. Anyone else think C fits here?

Jason Mar 5, 2026 3:41 pm

A over B. Some folks pick B but that's not fully right, you need more than just a good design to achieve reuse-there's actual ongoing work involved. A is more in line with ISTQB's concept that reusable artefacts span different TAA layers. Agree?

Logan Y. Mar 15, 2026 1:17 pm

A here imo. TAS artefacts can totally span multiple layers of the TAA, so reuse isn't just about the definition layer or design. Pretty sure that's what the syllabus says, but open to other takes.

Sara H. Mar 8, 2026 3:36 pm

B tbh

Sara C. Mar 3, 2026 9:54 am

I picked D for this because I thought adaptors and interfaces in the definition layer are usually highlighted as reusable bits. Saw something similar on a practice exam, might be missing a nuance here though. Could be wrong?

Ajay O. Mar 13, 2026 5:23 am

A tbh

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Correct Answer:

Explanation

A well-designed Test Automation Architecture (TAA) promotes the reuse of assets across the entire solution. Reusable components, such as a keyword-driven function for a common business process (e.g., user login), inherently span multiple layers of the TAA. The keyword itself resides in the Test Definition Layer, the logic for executing the steps is in the Test Execution Layer, and the code that interacts with the System Under Test (SUT) interfaces is in the Test Adaptation Layer. Therefore, reusable Test Automation Solution (TAS) artefacts are composed of parts from these different architectural layers.

Why Incorrect

B. A good design is necessary but not sufficient for reuse. Ongoing processes for versioning, maintenance, documentation, and communication are required throughout the TAS lifecycle to support and encourage reuse.

C. While the foundation for reuse is laid during design, the actual communication, maintenance, and improvement of reusable assets are continuous activities that occur throughout the entire TAS lifecycle.

D. Adaptors, which provide the interface to the SUT, are a key component of the Test Adaptation Layer, not the Test Definition Layer. The Definition Layer is concerned with the specification of test cases.

References

1. ISTQB® Certified Tester Advanced Level, Test Automation Engineer Syllabus, Version 2016.

For Answer A: Section 4.4.1, "Reusability," page 28, states: "Reusable TAS artifacts can include components (or parts of components) associated with different layers of the TAA."

For Answer B & C: Section 4.4.1, "Reusability," page 28, clarifies: "In order to enable reuse of TAS artifacts, a good design for reuse is built into the TAA. However, this is not sufficient. In addition, there must be processes in place to support the reuse of TAS artifacts throughout the TAS lifecycle." This contradicts the idea that no further action is needed or that it's mostly a design activity.

For Answer D: Section 4.2.1, "The generic Test Automation Architecture," Figure 4.1 and the description on page 24, explicitly place "SUT-Interface Adapters" within the "Test Adaptation Layer."

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