Authentic ISTQB Certification Exam ISTQB-CTFL Questions Answers

Black-box test techniques are based on requirements, white-box tests on source code. Therefore, black-box test techniques are always performed at higher test levels (e.g. system and acceptance level) and white-box test techniques at lower test levels.

Experience-based testing can complement white-box and black-box test techniques well or can be used if the basic principles for these test techniques are lacking.

Experience-based testing is an extension of black-box test techniques, since experience-based test techniques also do not require knowledge about the source code.

The coverage items can be specified in advance, e.g., coverage of statements, states or checklists, for all three of the categories mentioned above.

Unlike functional testing, non-fundional testing can only be applied to conventional systems, not artificial intelligence-based system.

Functional testing focuses on what the system is supposed to do, while white-box testing focuses on how well the system does what it is supposed to do

Functional testing can be applied to all test levels, while non-functional testing can be applied only to system and acceptance test levels.

Black-box test techniques and experience-based test techniques may be applicable to both functional testing and non-functional testing

Capitalizing on the combined skills of business representatives, testers, and developers working together to contribute to project success.

Reducing the involvement of business representatives because of enhanced communication and collaboration between testers and developers.

Avoiding requirements misunderstandings that may not have been detected until dynamic testing when they are more expensive to fix.

Having an automated build and test process, at least once a day, that detects integration errors early and quickly.