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AWS Certified Solutions Architect study material · question 195 of 500

A traffic surge sends RDS Proxy more connection requests than its pool can serve. What happens first?

  1. The proxy fails over to the standby instance
  2. Connections are queued or throttled, so latency rises rather than the application failing
  3. The proxy immediately rejects every new connection
  4. The proxy launches an additional read replica
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Answer: B. Connections are queued or throttled, so latency rises rather than the application failing

RDS Proxy queues or throttles first; only once configured limits are passed does it shed load by rejecting connections.

Source: Amazon RDS Proxy (Amazon Web Services) — Amazon RDS Proxy

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