Topic 1 Question 226

AWS Certified SysOps Administrator - Associate

Topic 1 Question 226
A SysOps administrator wants to monitor the free disk space that is available on a set of Amazon EC2 instances that have Amazon Elastic Block Store (Amazon EBS) volumes attached. The SysOps administrator wants to receive a notification when the used disk space of the EBS volumes exceeds a threshold value, but only when the DiskReadOps metric also exceeds a threshold value. The SysOps administrator has set up an Amazon Simple Notification Service (Amazon SNS) topic.

How can the SysOps administrator receive notification only when both metrics exceed their threshold values?
- Install the Amazon CloudWatch agent on the EC2 instances. Create a metric alarm for the disk space and a metric alarm for the DiskReadOps metric. Create a composite alarm that includes the two metric alarms to publish a notification to the SNS topic.
- Install the Amazon CloudWatch agent on the EC2 instances. Create a metric alarm for the disk space and a metric alarm for the DiskReadOps metric. Configure each alarm to publish a notification to the SNS topic.
- Create a metric alarm for the EBSByteBalance% metric and a metric alarm for the DiskReadOps metric. Create a composite alarm that includes the two metric alarms to publish a notification to the SNS topic.
- Configure detailed monitoring for the EC2 instances. Create a metric alarm for the disk space and a metric alarm for the DiskReadOps metric. Create a composite alarm that includes the two metric alarms to publish a notification to the SNS topic.
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コメント(5)
- 正解だと思う選択肢: A
  To receive a notification only when both metrics exceed their threshold values, the SysOps administrator should follow these steps:
  
  Install the Amazon CloudWatch agent on the EC2 instances. Configure detailed monitoring for the EC2 instances. Create a metric alarm for the DiskReadOps metric and set a threshold value for it. Create a metric alarm for the free disk space and set a threshold value for it. Create a composite alarm that includes the two metric alarms, and set a threshold value for it. Configure the composite alarm to publish a notification to the SNS topic when it is triggered. Therefore, option A is the correct answer.
  
  👍 3
  Vivec2023/03/10
- 正解だと思う選択肢: A
  As far as reading the documentation, I believe A is the right answer. D seems close but I don't understand what's the meaning of detailed monitoring vs. what answer A offers.
  
  👍 2
  Gil802023/02/08
- This should be A. You have to install cloudwatch agent as you don't have disk usage metrics by default.
  
  Ref https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Create_Composite_Alarm.html
  
  👍 2
  grka252023/02/08
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