Old and new systems operating simultaneously in all locations is a test approach known as
A) pilot testing.
B) horizontal testing.
C) integrative testing.
D) parallel testing.

Question

Quizplus · Accepted Answer

The test approach described in the question is known as parallel testing, where both old and new systems are operated simultaneously in all locations to compare the results and ensure that the new system performs correctly. Option A, pilot testing, is a smaller scale test of a new system in a controlled environment. Option B, horizontal testing, is a test technique that focuses on testing multiple variations of the same feature. Option C, integrative testing, is a type of testing that is concerned with testing how different modules of a system integrate with each other.

Old and New Systems Operating Simultaneously in All Locations Is