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Question 212 - DOP-C01 discussion

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You have decided that you need to change the instance type of your production instances which are running as part of an AutoScaling group. The entire architecture is deployed using CloudFormation Template. You currently have 4 instances in Production. You cannot have any interruption in service and need to ensure 2 instances are always runningduring the update. Which of the options below listed can be used for this?

A.
AutoScalingRollingUpdate
Answers
A.
AutoScalingRollingUpdate
B.
AutoScalingScheduledAction
Answers
B.
AutoScalingScheduledAction
C.
AutoScalingReplacingUpdate
Answers
C.
AutoScalingReplacingUpdate
D.
AutoScalinglntegrationUpdate
Answers
D.
AutoScalinglntegrationUpdate
Suggested answer: A

Explanation:

The AWS::AutoScaling::AutoScalingGroup resource supports an UpdatePoIicy attribute. This is used to define how an Auto Scalinggroup resource is updated when an update to the Cloud Formation stack occurs. A common approach to updating an Auto Scaling group is to perform a rolling update, which is done by specifying the AutoScalingRollingUpdate policy. This retains the same Auto Scaling group and replaces old instances with new ones, according to the parameters specified. For more information on Autoscaling updates, please refer to the below link.

Reference:

https://aws.amazon.com/premiumsupport/knowledge-center/auto-scaling-group-rolling-updates/

asked 16/09/2024
Alan How
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