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A team uses an iterative process model but finds their software keeps breaking after each iteration. What is the most likely cause?

medium📝 Analysis Q14 of 15
Software Engineering - Fundamentals
A team uses an iterative process model but finds their software keeps breaking after each iteration. What is the most likely cause?
AThey are skipping the design phase entirely
BThey are not testing the software after each iteration
CThey are using the Waterfall model instead
DThey are adding too many features at once
Step-by-Step Solution
Solution:

  1. Step 1: Understand iterative model basics

    Iterative models build software in repeated cycles, testing and improving each time.

  2. Step 2: Identify why software breaks after iterations

    If testing is skipped after each iteration, bugs accumulate causing breakage.

  3. Final Answer:

    They are not testing the software after each iteration -> Option B

  4. Quick Check:

    Iterative needs testing each cycle [OK]
Quick Trick: Iterative means test after every cycle [OK]
Common Mistakes:
  • Confusing skipping design with testing
  • Thinking Waterfall causes iterative breakage
  • Assuming feature count is main cause

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