A technical test analyst is assessing the maintainability of a legacy system. They run a static analysis tool that reports high cyclomatic complexity in several modules. Which interpretation of this result is most appropriate for improving maintainability?

The modules are likely difficult to understand, test, and modify, so refactoring should be considered

The modules have low coupling and high cohesion, indicating good maintainability

The modules are stable and unlikely to be affected by changes

The modules are highly testable and require no further action

A technical test analyst is assessing a system that has a module with high cyclomatic complexity and low test coverage. Dynamic testing shows that changes to this module often cause failures in other modules. The team wants to improve maintainability but has limited budget. Which action would be most effective?

Refactor the module to reduce complexity and increase test coverage

Increase documentation and comments in the module

Replace the module with a third-party library

Add more hardware to improve performance

A team is assessing the stability of a critical financial application. They want to know how the system behaves when a specific module is modified. Which dynamic maintainability testing technique would be most appropriate?

Perform fault injection to introduce a defect in the module and observe the system's response.

Run a load test to measure response time under peak usage.

Measure the module's cyclomatic complexity using a static analysis tool.

Conduct a static code review of the module's source code.

A team is evaluating the testability of a system. They want to know how easily they can control inputs and observe outputs during testing. Which dynamic testing approach would provide the most relevant evidence?

Perform a static analysis of the code to identify complex branches

Execute test cases that exercise various input combinations and observe the outputs

Review the user manual for clarity

Measure the system's uptime over a month

Certified Tester Advanced Level Technical Test Analyst

Domain 4Objective 4

Maintainability Testing CTAL-TTA Practice Questions (Page 2)

Part of the Domain 4: Quality Characteristics for Technical Testing domain, which makes up ~14% of our current practice bank. ISTQB does not publish an official question count, but from its 120-minute exam (~50–80 total, ~7–11 in this domain), expect 1–2 from this objective — we provide 17 practice questions to prepare you well beyond it. (estimate)

17questions here

4free pages

4concepts

Questions 6–10

6foundation · easy
A technical test analyst is assessing the maintainability of a legacy system. They run a static analysis tool that reports high cyclomatic complexity in several modules. Which interpretation of this result is most appropriate for improving maintainability?
Select an answer first
7expert · hard
A technical test analyst is assessing a system that has a module with high cyclomatic complexity and low test coverage. Dynamic testing shows that changes to this module often cause failures in other modules. The team wants to improve maintainability but has limited budget. Which action would be most effective?
Select an answer first
8application · medium
A team is assessing the stability of a critical financial application. They want to know how the system behaves when a specific module is modified. Which dynamic maintainability testing technique would be most appropriate?
Select an answer first
9application · medium
A team is evaluating the testability of a system. They want to know how easily they can control inputs and observe outputs during testing. Which dynamic testing approach would provide the most relevant evidence?
Select an answer first
10application · medium
A team is evaluating a system that has poor documentation and complex code. They want to improve the ease with which testers can design and execute tests. Which maintainability sub-characteristic should they focus on improving?
Select an answer first

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Maintainability Testing CTAL-TTA Practice Questions (Page 2)

Questions 6–10

A technical test analyst is assessing the maintainability of a legacy system. They run a static analysis tool that reports high cyclomatic complexity in several modules. Which interpretation of this result is most appropriate for improving maintainability?

A team is assessing the stability of a critical financial application. They want to know how the system behaves when a specific module is modified. Which dynamic maintainability testing technique would be most appropriate?

A team is evaluating the testability of a system. They want to know how easily they can control inputs and observe outputs during testing. Which dynamic testing approach would provide the most relevant evidence?

A team is evaluating a system that has poor documentation and complex code. They want to improve the ease with which testers can design and execute tests. Which maintainability sub-characteristic should they focus on improving?

Keep studying — Domain 4: Quality Characteristics for Technical Testing