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A tester finds that testing started before implementation was fully done in a Waterfall project. What is the main problem here?

medium📝 Debug Q14 of 15
Testing Fundamentals - Testing Models and Approaches
A tester finds that testing started before implementation was fully done in a Waterfall project. What is the main problem here?
ATesting is happening too early, breaking Waterfall rules.
BTesting is correctly done in parallel with coding.
CRequirements phase was skipped.
DMaintenance phase started too soon.
Step-by-Step Solution
Solution:

  1. Step 1: Recall Waterfall testing timing

    Testing must start only after implementation is complete in Waterfall.

  2. Step 2: Identify issue with early testing

    Starting testing before implementation breaks the strict phase order, causing confusion and errors.

  3. Final Answer:

    Testing is happening too early, breaking Waterfall rules. -> Option A

  4. Quick Check:

    Testing before coding ends = wrong in Waterfall [OK]
Quick Trick: Waterfall testing only after coding finishes [OK]
Common Mistakes:
  • Thinking testing can run in parallel with coding
  • Blaming requirements or maintenance phases
  • Ignoring phase order importance

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