Which of the following requires a custom CloudWatch metric to monitor?
A.
Data transfer of an EC2 instance
B.
Disk usage activity of an EC2 instance
C.
Memory Utilization of an EC2 instance
D.
CPU Utilization of an EC2mstance
Explanation:
http://aws.amazon.com/cloudwatch/
C is correct.
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c
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C is definitely correct
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Ans: B, C
Disk utilization & Memory utilization are the OS level metrics whereas data transfer & CPU utilization are hardware level metrics, which are built-in by AWS.
Chechk:8 (https://blog.cloudthat.com/10-trial-questions-for-aws-sysops-administrator-associate-certification/)
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Answer is C
B is wrong as there is nothing called Disk usage of EC2 there is something called Disk Space usage of a selected EBS volume inside the Ec2 as i think
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