CTFL_Syll_4.0 Exam Dumps : ISTQB Certified Tester Foundation Level (CTFL) v4.0

Confirmation testingis performed after a defect is fixed to confirm it no longer exists (A).Regression testingensures new defects have not been introduced in unchanged parts of the system. Regression testing is broader than confirmation testing and covers unmodified areas affected by the changes. Options B, C, and D misrepresent the relationship and scope of these tests.

Test analysis involves identifying the features to be tested and deriving test conditions. It is the phase where testers analyze the test basis (e.g., requirements, specifications) to identify testable aspects of the system. Test design (A) focuses on creating test cases, test implementation (C) involves preparing the test environment, and test execution (D) runs the tests.

To determine the number of partitions using one-dimensional equivalence partitioning, we need to consider each aspect of the ID requirement individually.

Length of the ID:

Valid partitions: 5 to 10 characters (1 partition)

Invalid partitions: Less than 5 characters, more than 10 characters (2 partitions)

Type of characters:

Valid partitions: Alphanumeric characters (1 partition)

Invalid partitions: Non-alphanumeric characters (1 partition)

Type of first character:

Valid partitions: First character is a letter (1 partition)

Invalid partitions: First character is not a letter (1 partition)

Adding these together, we have a total of 1 (valid length) + 2 (invalid lengths) + 1 (valid type) + 1 (invalid type) + 1 (valid first character) + 1 (invalid first character) = 7 partitions.