ISTQB Test Levels and Types

Question 1

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

Accepted Answer

Integration testing

Answer

Unit testing

Answer

System testing

Answer

Acceptance testing

Question 2

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

Accepted Answer

Developers

Answer

End users

Answer

Business analysts

Answer

Independent test teams

Question 3

What is the primary objective of system testing?

Accepted Answer

Verify the complete integrated system meets specified requirements

Answer

Verify individual components in isolation

Answer

Validate interfaces between modules

Answer

Confirm the system meets user business needs

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

Component testing

Answer

Integration testing

Answer

System testing

Question 5

In integration testing, what is a 'stub'?

Accepted Answer

A simplified replacement for a called component

Answer

A defect logged during integration

Answer

A test environment configuration script

Answer

A coverage metric for integration tests

Question 6

Which ISTQB statement about test levels is MOST accurate?

Accepted Answer

Each test level has its own specific test objectives and test basis

Answer

Test levels must always be executed strictly sequentially

Answer

Unit testing always occurs before requirements are defined

Answer

System testing always precedes integration testing

Question 7

At which test level are user stories most commonly used as the test basis in Agile development?

Accepted Answer

Acceptance testing

Answer

Component testing

Answer

Integration testing

Answer

System testing