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Exam AWS DevOps Engineer Professional topic 1 question 202 discussion

Exam question from Amazon's AWS DevOps Engineer Professional
Question #: 202
Topic #: 1
[All AWS DevOps Engineer Professional Questions]

A company has an application that runs on current-generation Amazon EC2 instances in a VPC. The EC2 instances run Amazon Linux and are launched in an Amazon EC2 Auto Scaling group. The application retrieves data from an Amazon S3 bucket, processes the data, and uploads the processed data to a different S3 bucket.

Recently, the application's performance worsened. A manual investigation identified that outbound network bandwidth utilization was too high for the type of EC2 instance. The company updated the EC2 instances to a larger EC2 instance size.

The company's DevOps team needs to receive notification from an Amazon CloudWatch alarm if the application attempts to use more outbound network bandwidth than is available to the EC2 instances.

Which solution will meet these requirements?

  • A. Configure EC2 detailed monitoring for the EC2 instances. Create an AWS Lambda function to create a CloudWatch alarm for the bw_out_allowance_exceeded CloudWatch metric for each EC2 instance Configure the alarm to notify the DevOps team.
  • B. Configure the unified CloudWatch agent on the EC2 instances to export the bw_out_allowance_exceeded metric to CloudWatch metrics. Create a CloudWatch composite alarm to monitor all bw_out_allowance_exceeded metrics. Configure the alarm to notify the DevOps team.
  • C. Configure VPC flow logging to Amazon CloudWatch Logs for the EC2 instances. Create a CloudWatch Logs metric filter to match events in which bandwidth allowance is exceeded. Create a CloudWatch composite alarm to monitor all bw_out_allowance_exceeded metrics. Configure the alarm to notify the DevOps team.
  • D. Configure the unified CloudWatch agent on the EC2 instances to export the bw_out_allowance_exceeded metric to CloudWatch metrics. Create an AWS Lambda function to create a CloudWatch alarm for the bw_out_allowance_exceeded CloudWatch metric for each EC2 instance. Configure the alarm to notify the DevOps team.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by CloudFloater at March 1, 2023, 7:14 p.m.
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pek77
1 year, 8 months ago
Selected Answer: D
That's is D from Official Question Set on AWS Skill Builder.
upvoted 2 times
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pek77
1 year, 9 months ago
That's is D from Official Question Set on AWS Skill Builder. You can use the unified CloudWatch agent to publish network performance metrics to CloudWatch. The metrics are for each EC2 instance and include a dimension that contains the instance ID. Therefore, you must implement some automation by deploying a Lambda function to create new CloudWatch alarms. The Elastic Network Adapter (ENA) is turned on by default on current-generation EC2 instances that run Amazon Linux. The ENA is required for the CloudWatch agent to export the metrics. For more information about the CloudWatch agent and network performance metrics, see Collect Network Performance Metrics. For more information about how to test for enhanced networking, see Test Whether Enhanced Networking Is Enabled. For more information about the ENA driver, see Metrics for the ENA Driver.
upvoted 1 times
pek77
1 year, 9 months ago
Link1:https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-network-performance.html Link2:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html#test-enhanced-networking-ena Link3: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html#test-enhanced-networking-ena
upvoted 1 times
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pek77
1 year, 9 months ago
Link1:https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-network-performance.html Link2:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html#test-enhanced-networking-ena Link3:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring-network-performance-ena.html#network-performance-metrics
upvoted 1 times
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easytoo
2 years ago
B for me.
upvoted 1 times
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merki
2 years, 1 month ago
Selected Answer: B
ChatGPT: B
upvoted 1 times
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mgonblan
2 years, 1 month ago
B - Here is the solution: https://repost.aws/es/knowledge-center/ec2-instance-exceeding-network-limits
upvoted 1 times
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saeidp
2 years, 3 months ago
Selected Answer: B
Yes, B is the answer https://aws.amazon.com/blogs/networking-and-content-delivery/amazon-ec2-instance-level-network-performance-metrics-uncover-new-insights/
upvoted 2 times
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CloudFloater
2 years, 3 months ago
Selected Answer: B
voting for B
upvoted 3 times
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