ISTQB ISTQB-CTAL-TA Exam With Confidence Using Practice Dumps

Classification trees support the application of pairwise testing in the following ways:

a. They help to identify inputs to be used by the pairwise test technique - This is true because classification trees show the classes and subclasses of inputs for a given scenario in a graphical way.

b. They show the combinations needed to cover all-pairs - This is true because classification trees can be used to generate the combinations of inputs that cover all pairs using a mathematical algorithm.

c. They help to identify particular combinations of interest - This is true because classification trees can be used to highlight or prioritize certain combinations of inputs that are more relevant or important for the scenario.

d. They show both typical and atypical behavior - This is false because classification trees do not show the behavior or the expected results of the system under test, only the inputs and outputs.

e. They show the expected results for the various test cases - This is false because classification trees do not show the expected results or the verification criteria for the test cases, only the inputs and outputs. Verified References: [ISTQB® Certified Tester Advanced Level Test Analyst CTAL-TA], Section 3.5.2, page 42.

Comprehensive and Detailed in Depth Explanation:

The project has multipledrop-down fields with many values, resulting in numerous combinations.

Pairwise testingis ideal for testing combinations efficiently.

Since the project usesSCRUM methodology, it requiresexploratory testingto accommodate changes and rapid feedback during sprints.

Use case testing (Option A)is not suitable since the focus is on combinations rather than functional sequences.

Decision table testing (Option B)would be less efficient due to the large number of combinations.

Classification Tree (Option C)is more suitable for class-based testing, not pairwise combinations.

Thus, the correct answer isD (Pairwise and exploratory testing).

Comprehensive and Detailed In-Depth Explanation:

A (Functional appropriateness):Verifies that the function serves its intended purpose but does not focus on accuracy.

B (Installability):Unrelated to computational accuracy.

C (Functional completeness):Ensures that all specified functionality is present, but not about accuracy.

D (Functional correctness):Correct. Sincecomputational accuracyis the primary concern, testing must focus on ensuring that all calculations are correct.

Therefore, the correct answer isD (Functional correctness).