An architect needs to perform an emergency patch on a fleet of EC2 instances without allowing any new connections during the process. How can this be achieved with an ALB?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Enable Deregistration Delay (Draining)

Deregistration delay allows the ALB to complete existing requests while stopping new requests to an instance that is being removed for maintenance....

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Real Exam ScenarioAmazon EC2

An architect needs to perform an emergency patch on a fleet of EC2 instances without allowing any new connections during the process. How can this be achieved with an ALB?

✓ Correct Answer & ExplanationAmazon EC2

Correct Answer

Enable Deregistration Delay (Draining)

Why This Answer Is Correct

Deregistration delay allows the ALB to complete existing requests while stopping new requests to an instance that is being removed for maintenance.

📚 What This Question Tests

This question evaluates your knowledge of Amazon EC2 — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). Understanding Amazon EC2 is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.