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Question 40

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. It supports adding existing ECS instances into the scaling group, whose status however must be _________.

    Correct Answer: A

    To add existing ECS (Elastic Compute Service) instances to an Auto Scaling group, the instances must be in a state where they are actively running because Auto Scaling relies on actively managing and scaling resources. Instances in states such as 'Created,' 'Stopped,' or 'Preparing' have not yet reached a functional state where they can handle workloads, which is essential for auto scaling operations.

Discussion
ZZZ_SleepOption: A

A. Running When adding existing ECS (Elastic Compute Service) instances into an Auto Scaling group, the instances must be in a "Running" state. Auto Scaling groups work with running instances to manage resource scaling based on your business needs and policies. Instances in other states like "Stopped," "Created," or "Preparing" are not eligible for addition to an Auto Scaling group until they are in the "Running" state.

TanPHAM304Option: A

https://www.alibabacloud.com/help/en/auto-scaling/latest/manually-add-an-ecs-instance-to-a-scaling-group