A user has created a launch configuration for Auto Scaling where CloudWatch detailed monitoring is disabled.
The user wants to now enable detailed monitoring. How can the user achieve this?
A.
Update the Launch config with CLI to set InstanceMonitoringDisabled = false
B.
The user should change the Auto Scaling group from the AWS console to enable detailed monitoring
C.
Update the Launch config with CLI to set InstanceMonitoring.Enabled = true
D.
Create a new Launch Config with detail monitoring enabled and update the Auto Scaling group
Explanation:
CloudWatch is used to monitor AWS as well as the custom services. To enable detailed instance monitoring
for a new Auto Scaling group, the user does not need to take any extra steps. When the user creates the
AutoScaling launch config as the first step for creating an Auto Scaling group, each launch configuration
contains a flag named InstanceMonitoring.Enabled. The default value of this flag is true. When the user has
created a launch configuration with InstanceMonitoring.Enabled = false it will involve multiple steps to enable
detail monitoring. The steps are:
Create a new Launch config with detailed monitoring enabled
Update the Auto Scaling group with a new launch config
Enable detail monitoring on each EC2 instance
D
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https://docs.aws.amazon.com/autoscaling/latest/userguide/as-instance-monitoring.html
If you have an Auto Scaling group and need to change which type of monitoring is enabled for your Auto Scaling instances, you must create a new launch configuration and update the Auto Scaling group to use this launch configuration.
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