A user has configured an Auto Scaling group with ELB. The user has enabled detailed CloudWatch monitoring on Elastic
Load balancing. Which of the below mentioned statements will help the user understand this functionality better?
A.
ELB sends data to CloudWatch every minute only and does not charge the user
B.
ELB will send data every minute and will charge the user extra
C.
ELB is not supported by CloudWatch
D.
It is not possible to setup detailed monitoring for ELB
Explanation:
CloudWatch is used to monitor AWS as well as the custom services. It provides either basic or detailed monitoring for
the supported AWS products. In basic monitoring, a service sends data points to CloudWatch every five minutes, while
in detailed monitoring a service sends data points to CloudWatch every minute. Elastic Load Balancing includes 10
metrics and 2 dimensions, and sends data to CloudWatch every minute. This does not cost extra.
A
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B
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A
Elastic Load Balancers: thirteen pre-selected metrics at one-minute frequency, for no additional charge.
https://aws.amazon.com/cloudwatch/details/#other-aws-resource-monitoring
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A
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Basic Monitoring metrics (at five-minute frequency) for Amazon EC2 instances are free of charge, as are all metrics for Amazon EBS volumes, Elastic Load Balancers, and Amazon RDS DB instances. So, no charge.
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