How many of the following statements about testing are true?

a. Unit is the highest level of testing in the SAP ERP system

b. Scenario Testing focuses on single accounting entries

c. User Acceptance Testing is a functional testing

d. Regression testing is done during system changes such as installation of enhancement packages

e. Testing for controlling would most often involve scenario, integration and user acceptance testing.

The answer is E) Testing for controlling would most often involve scenario, integration and user acceptance testing.

Explanation:

In quality control, there involve a series of tests: Scenario testing, Integration testing and User acceptance testing.

Scenario testing is done once there a functionally that can be tested is developed. Under scenario testing, integration of functions is not done yet but it is possible to test the performance of the interface developed to ascertain how an end user will use it.

Integration testing involves testing the functionally of a combined unit assembled from individual units to see how well they perform as an integrated unit.

User acceptance testing is doe at the final phase to check how well it can perform in real time. This is meant to check user friendliness and ease of access.