Passage: "When the municipal hall introduced a queue-number system, complaints about long waits dropped sharply. Clients no longer had to stand in line for hours; they could sit, watch a screen and wait for their number. Staff also noticed fewer arguments at the counters. The only problem arose when the system broke down during a power interruption, so the office now keeps printed numbers as a backup." The office's decision to keep printed numbers shows that it:
Correct answer: C. Prepared a backup so service can continue during outages
Keeping printed numbers as a backup means service can continue even when the electronic system fails. It is a contingency measure, not a plan to abandon the system.
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