The Regression test case is not a_____?

A) Tests that focus on the software components, which have been modified.

B) Low-level components are combined into clusters, which perform a specific software sub-function.

C) A representative sample of tests, which will exercise all software functions.

D) Additional tests that emphasize software functions, which are likely to be affected by the change.

Correct Answer : Low-level components are combined into clusters, which perform a specific software sub-function.

Explanation : The Regression testing is used to authenticate a code change in the software, which does not impact the product's existing functionality. And it also ensures that the product works fine with new functionality, bug fixes, or any change in the existing feature.