ISTQB Updated ISTQB-CTFL Exam Questions and Answers by eduard

Comprehensive and Detailed In-Depth Explanation:Equivalence partitioning (EP)divides input values into classes where test casesrepresent all possible valuesof each partition. The partitions in this scenario are:

≤7 (too cold → W)

8-21 (standstill → X)

22-29 (ideal → Y)

≥30 (too hot → Z)

OptionC ({7,10,25,29})covers all partitionsby selecting representative values:

7 → Too cold (W)

10 → Standstill (X)

25 → Ideal (Y)

29 → Upper boundary of ideal (Y)

Other options do not cover all partitions adequately.

Entry and exit criteria are used to determine when to start and stop testing, respectively.

Entry Criteria:

These are conditions that should be met before testing begins.

Examples:

2. The test automation tool has been installed and properly configured

4. The performance test environment has been set-up and is available

5. The user stories have proper acceptance criteria defined

Exit Criteria:

These are conditions that should be met before testing concludes.

Examples:

1. A defined level of code coverage has been achieved

3. The number of unresolved defects is within the predefined limit

6. The testing budge​(ISTQB not-for-profit association)​ spent and the project sponsor bears the risk of not testing any further

According to the ISTQB Certified Tester Foundation Level (CTFL) v4.0 syllabus, these criteria help in effectively managing the testing process【6†source】.

References:

Certified Tester Foundation Level v4.0

ISTQB Foundation Level Syllabus 4.0 (2023)

Experience-based testing techniques leverage the tester's intuition and prior experience to identify defects that systematic techniques might miss. These techniques are valuable because they can uncover issues based on real-world usage and scenarios that aren't always covered by more formalized black-box and white-box methods. The ISTQB CTFL Syllabus v4.0 highlights the complementary nature of experience-based techniques in providing a broader defect detection strategy​​.

Test implementation involves finalizing the test procedures, including the order of execution of test cases based on their dependencies, preconditions, and postconditions. This phase ensures that all necessary test scripts, test data, and test environments are ready for execution. According to the ISTQB CTFL Syllabus v4.0, test implementation is the phase where detailed test procedures are derived and documented, making it a critical step before actual test execution​​.