CTAL-TTA Exam Dumps : Certified Tester Advanced Level Technical Test Analyst

The statement "Test suite coverage can be increased without the need for refactoring" is accurate because test suite coverage refers to the extent to which the test cases cover the software under test. This coverage can be enhanced by adding new tests that address areas not previously covered, without necessarily modifying the existing test structures or setups. Refactoring is often related to improving the internal design of the tests for better maintainability or performance but does not inherently affect the coverage directly .

Analysis:

The significant non-functional defects recorded for the BestForFood system indicate issues that could be mitigated by appropriate non-functional testing strategies:

Portability Testing:

Ensures that the application can operate in different environments without issues. This could have addressed the defect related to the layout and navigation consistency across different websites (Defect A).

Compatibility Testing:

Ensures that the application works well with other systems and environments. This could have helped in preventing the performance issues noticed in the BestForPensions and BestForMortgages websites after the deployment of BestForFood (Defect B).

Explanation of Incorrect Options:

C. The time taken to diagnose, repair and re-test production defects: This is more related to maintainability and operational processes.

D. BestForFood performance impacted by data growth: This is better addressed through performance and scalability testing.

E. Installation time exceeding agreed timescales: This is related to deployment and operational efficiency.

References:

The ISTQB CTAL-TTA syllabus and standard non-functional testing practices emphasize the importance of portability and compatibility testing for ensuring smooth operation across different environments and systems.

Sources:

ISTQB-CTAL-TTA Syllabus

General knowledge on non-functional testing practices.

The correct option for addressing the issue of increasing test run times in a Continuous Integration (CI) environment is option C: reducing the extent to which automated tests go through the user interface, and selecting a subset of automated tests for the daytime CI runs while running many of the other tests in an overnight cycle.

Reducing User Interface Tests: By reducing the extent of tests that go through the user interface (UI) and using technical interfaces instead, you can significantly decrease the time each test takes. UI tests are generally slower due to rendering and user interaction simulations.

Optimizing Test Scheduling: By selecting only a subset of tests for daytime CI runs and scheduling extensive testing for overnight runs, the team can manage the test load better without compromising the frequency of integration, thus ensuring continuous testing does not become a bottleneck.

This dual approach effectively manages both the execution time of individual tests and the overall test process across the development cycle, maintaining the agility of the CI process without sacrificing the breadth of testing necessary for quality assurance .