Explanation:
Instance scale-in protection in Amazon EC2 Auto Scaling prevents specific instances from being terminated during scale-in events. By enabling this, instances experiencing issues will be kept alive so that administrators and developers can log in to investigate the underlying problem without Auto Scaling terminating them prematurely.
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Question 27
A company hosts an application on Amazon EC2 instances. The instances are in an Amazon EC2 Auto Scaling group that uses a launch template. The amount of application traffic changes throughout the day. Scaling events happen frequently.
A SysOps administrator needs to help developers troubleshoot the application. When a scaling event removes an instance, EC2 Auto Scaling terminates the instance before the developers can log in to the instance to diagnose issues.
Which solution will prevent termination of the instance so that the developers can log in to the instance?
A
Ensure that the Delete on termination setting is turned off in the UserData section of the launch template.
B
Update the Auto Scaling group by enabling instance scale-in protection for newly launched instances.
C
Use Amazon Inspector to configure a rules package to protect the instances from termination.
D
Use Amazon GuardDuty to configure rules to protect the instances from termination.
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