Which test refers to the retesting of a unit, integration and system after modification, in order to ascertain that the change has not introduced new faults?(a) Regression Test(b) Smoke Test(c) Alpha Test(d) Beta TestI have been asked this question by my school principal while I was bunking the class.My question is based upon Test Case Design topic in section Design and Implementation of Software Engineering

Which test refers to the retesting of a unit, integration and system a

1.	Which test refers to the retesting of a unit, integration and system after modification, in order to ascertain that the change has not introduced new faults?(a) Regression Test(b) Smoke Test(c) Alpha Test(d) Beta TestI have been asked this question by my school principal while I was bunking the class.My question is based upon Test Case Design topic in section Design and Implementation of Software Engineering
Answer» Correct ANSWER is (a) Regression TEST The best explanation: Regression test seeks to uncover new SOFTWARE bugs in existing functional and non-functional AREAS of a system after changes have been made to them.

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