You have an Elastic IP associated with an EC2 instance. You stop and start the instance. What happens to the Elastic IP and the instance's public IP?

hard📝 Application Q15 of 15

AWS - EC2 Fundamentals

AThe Elastic IP remains but the instance loses its public IP until reassigned

BThe Elastic IP is released automatically and the instance gets a new public IP

CThe Elastic IP remains associated and the instance keeps the same public IP

DThe Elastic IP dissociates and you must manually re-associate it

Step-by-Step Solution

Solution:

Step 1: Recall Elastic IP behavior on instance stop/start
Elastic IPs remain allocated and associated with the instance even if it is stopped and started.
Step 2: Understand public IP behavior
Without Elastic IP, the public IP changes on stop/start, but with Elastic IP, the public IP stays the same.
Final Answer:
The Elastic IP remains associated and the instance keeps the same public IP -> Option C
Quick Check:
Elastic IP keeps public IP fixed on stop/start [OK]

Quick Trick: Elastic IP keeps public IP fixed after stop/start [OK]

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