IKM Software Quality Assurance Methodologies 2

Question 1

What is the difference between verification and validation?

Accepted Answer

Verification checks if built correctly; validation checks if correct product is built

Answer

Verification: building it right. Validation: building the right thing.

Question 2

What is regression testing?

Accepted Answer

Re-running tests to ensure changes have not broken existing functionality

Answer

Regression testing re-executes previous tests after changes to verify nothing is broken.

Question 3

What is boundary value analysis?

Accepted Answer

Testing at edges of input ranges where defects are most likely

Answer

BVA focuses on testing at and near boundaries where defects commonly cluster.

Question 4

What is a test case?

Accepted Answer

Documented conditions, inputs, and expected results for verifying functionality

Answer

A test case specifies preconditions, inputs, steps, and expected results.

Question 5

What is code coverage analysis?

Accepted Answer

Measuring what percentage of code is exercised by tests

Answer

Code coverage measures the percentage of code executed during testing.

IKM - International Knowledge Measurement Practice Test