Testing Fundamentals - Testing Models and ApproachesWhy is the Waterfall testing model considered less flexible compared to iterative models?ABecause it encourages frequent requirement changesBBecause it allows continuous testing during developmentCBecause it requires completing each phase fully before moving onDBecause it integrates design and testing phasesCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand Waterfall's phase structureWaterfall requires finishing one phase completely before starting the next.Step 2: Compare flexibility with iterative modelsThis strict order limits flexibility to adapt to changes during development.Final Answer:Because it requires completing each phase fully before moving on -> Option CQuick Check:Waterfall inflexibility = Sequential completion [OK]Quick Trick: Waterfall = strict step completion, less flexible [OK]Common Mistakes:MISTAKESThinking Waterfall allows continuous testingBelieving it supports frequent changesConfusing phase integration
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