Every check passed and every write succeeded. The money still left twice, because the check and the write were two steps and another request got between them.
Make your first attempt
What would you say before reading the answer?
- 01 State the assumptions your answer depends on.
- 02 Explain the mechanism and choose a control.
- 03 Name a condition that would change your decision.
The worked answer includes an approach, scoring criteria and follow-up questions. Compare the reasoning with your own.
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