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Code AnalysisHard 60s

Which Admission Control Flaw

Analyze the API gateway pseudo-code. Which of the following best summarizes the missing safeguard?
Starter code
class Gateway:
    def handle(req):
        # no limit checks; every request admitted
        in_flight += 1
        result = backend.call(req)
        in_flight -= 1
        return result

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