CTAL-TA_Syll2019 Exam Dumps : ISTQB Certified Tester Advanced Level - Test Analyst (Syllabus 2019)

The smallest set of test conditions to provide minimum coverage of the boundary values is the one that tests the minimum and maximum values for each category of carpet installation prices, as well as the values that are just above or below the boundaries. Option A covers these values, as it tests the boundary values of 0, 20, and 40 square yards, as well as the values that are one square yard more or less than these boundaries. It also tests the maximum possible value for the carpet area and the value that exceeds it. The other options do not test all the boundary values or have redundant values. References =

• ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst1, page 2
• Boundary Value Analysis and Equivalence Partitioning Testing2, section “Boundary Value Analysis”
• Equivalence Partitioning Method3, section “Example 1: Equivalence and Boundary Value”

Interoperability is the degree to which two or more systems or components can exchange and use information. It is a crucial quality characteristic for an e-commerce product that needs to interface with backend applications, such as finance, stock control and order delivery. The test plan must include tests to verify that the COTS package can communicate and integrate with the existing systems and applications, and that the data and functionality are consistent and accurate across the interfaces. References = ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst, page 10, section 1.2.2.2.

The classification tree shows the combinations of power units and body styles for the Supercar online vehicle sales website. Since SUVs are not available in hybrid, and the existing test cases already cover petrol SUV, electric saloon, and petrol hatchback, the missing test case is hybrid hatchback to achieve minimum class coverage. References = ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst, Section 3.2.3, Classification Trees1; ISTQB Advanced Level Test Analyst (CTAL) Exam Study Guide, Section 3.2.3, Classification Trees2