ISTQB Test Levels and Types

Question 1

Which test level focuses on verifying that individual components work correctly together?

Accepted Answer

Integration testing

Answer

Integration testing verifies that components or systems interact correctly with each other, focusing on interfaces and interactions.

Question 2

Who typically performs unit (component) testing according to ISTQB?

Accepted Answer

Developers

Answer

Unit testing is typically performed by the developers who wrote the code, using white-box techniques to test individual components in isolation.

Question 3

What is the primary objective of system testing?

Accepted Answer

Verify the complete integrated system meets specified requirements

Answer

System testing evaluates the complete integrated system to verify it meets the specified functional and non-functional requirements.

Question 4

Which test level is most closely associated with validating that a system meets business processes and user workflows?

Accepted Answer

User acceptance testing (UAT)

Answer

UAT validates that the system meets the needs of users and stakeholders by testing it against real business scenarios and workflows.

Question 5

In integration testing, what is a 'stub'?

Accepted Answer

A simplified replacement for a called component

Answer

A stub is a simplified implementation that replaces a called (lower-level) component, allowing the calling component to be tested in isolation.

ISTQB - International Software Testing Qualifications Board Practice Test