[Solved] Which statement correctly explains the flow of phases in the Waterfall testing model? - Ans: Each phase must be completed before the next phase begins | Testing Fundamentals

Testing Fundamentals - Testing Models and Approaches

Which statement correctly explains the flow of phases in the Waterfall testing model?

APhases overlap and testing occurs throughout the project

BEach phase must be completed before the next phase begins

CTesting is done before the design phase starts

DRequirements and testing phases happen simultaneously

Step-by-Step Solution

Solution:

Step 1: Understand Waterfall model flow
The Waterfall model is a linear sequential approach where each phase is completed fully before moving on.
Step 2: Analyze options
Each phase must be completed before the next phase begins correctly states the sequential nature. Options B, C, and D describe overlapping or simultaneous phases, which are incorrect for Waterfall.
Final Answer:
Each phase must be completed before the next phase begins -> Option B
Quick Check:
Waterfall is strictly sequential [OK]

Quick Trick: Waterfall phases follow strict sequence, no overlap [OK]

Common Mistakes:

MISTAKES

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Which statement correctly explains the flow of phases in the Waterfall testing model?