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Exam AWS-SysOps topic 1 question 809 discussion

Exam question from Amazon's AWS-SysOps
Question #: 809
Topic #: 1
[All AWS-SysOps Questions]

A company's website went down for several hours. The root cause was a full disk on one of the company's Amazon EC2 instances.
Which steps should the SysOps Administrator take to prevent this from happening in the future?

  • A. Configure Amazon CloudWatch Events to filter and forward AWS Health events for disk space utilization to an Amazon SNS topic to notify the Administrator.
  • B. Create an AWS Lambda function to describe the volume status for each EC2 instance. Post a notification to an Amazon SNS topic when a volume status is impaired.
  • C. Enable detailed monitoring for the EC2 instances. Create an Amazon CloudWatch alarm to notify the Administrator when disk space is running low.
  • D. Use the Amazon CloudWatch agent on the EC2 instances to collect disk metrics. Create a CloudWatch alarm to notify the Administrator when disk space is running low.
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Suggested Answer: D 🗳️
by nicat at May 10, 2020, 4:33 a.m.
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nicat
Highly Voted 2 years, 9 months ago
D. Use the Amazon CloudWatch agent on the EC2 instances to collect disk metrics. Create a CloudWatch alarm to notify the Administrator when disk space is running low.
upvoted 14 times
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albert_kuo
Most Recent 11 months, 2 weeks ago
Selected Answer: D
Option D is the most appropriate choice to prevent a disk space issue from causing website downtime in the future. By using the Amazon CloudWatch agent on the EC2 instances, you can collect detailed disk metrics, including disk space utilization. The CloudWatch agent enables you to monitor both the root volume and any additional volumes attached to the EC2 instance.
upvoted 1 times
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RicardoD
2 years, 8 months ago
D is the answer
upvoted 1 times
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abhishek_m_86
2 years, 8 months ago
D. Use the Amazon CloudWatch agent on the EC2 instances to collect disk metrics. Create a CloudWatch alarm to notify the Administrator when disk space is running low. Seem correct
upvoted 3 times
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jackdryan
2 years, 9 months ago
I'll go with D
upvoted 1 times
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MFDOOM
2 years, 9 months ago
D. Use the Amazon CloudWatch agent on the EC2 instances to collect disk metrics. Create a CloudWatch alarm to notify the Administrator when disk space is running low.
upvoted 1 times
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CL
2 years, 9 months ago
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/metrics-collected-by-CloudWatch-agent.html Metric Description disk_free Free space on the disks. Unit: Bytes
upvoted 2 times
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kopper2019
2 years, 9 months ago
D you need the cloudwatch agent to get disk metrics
upvoted 3 times
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