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Distributed Systems for Fintech - Quiz
Test your knowledge with 7 questions
Question 1 of 7
medium
A payment saga fails at step 3 (processor authorization) after successfully completing step 2 (wallet debit). What must happen to restore consistency?
A
Retry step 3 indefinitely until it succeeds
B
Abort the saga and leave the wallet debited
C
Execute a compensating transaction to credit the wallet back
D
Rollback using a two-phase commit
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