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Question 838 - SAA-C03 discussion

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A company hosts its multi-tier, public web application in the AWS Cloud. The web application runs on Amazon EC2 instances, and its database runs on Amazon RDS. The company is anticipating a large increase in sales during an upcoming holiday weekend. A solutions architect needs to build a solution to analyze the performance of the web application with a granularity of no more than 2 minutes.

What should the solutions architect do to meet this requirement?

A.

Send Amazon CloudWatch logs to Amazon Redshift. Use Amazon QuickSight to perform further analysis.

Answers
A.

Send Amazon CloudWatch logs to Amazon Redshift. Use Amazon QuickSight to perform further analysis.

B.

Enable detailed monitoring on all EC2 instances. Use Amazon CloudWatch metrics to perform further analysis.

Answers
B.

Enable detailed monitoring on all EC2 instances. Use Amazon CloudWatch metrics to perform further analysis.

C.

Create an AWS Lambda function to fetch EC2 logs from Amazon CloudWatch Logs. Use Amazon CloudWatch metrics to perform further analysis.

Answers
C.

Create an AWS Lambda function to fetch EC2 logs from Amazon CloudWatch Logs. Use Amazon CloudWatch metrics to perform further analysis.

D.

Send EC2 logs to Amazon S3. Use Amazon Redshift to fetch togs from the S3 bucket to process raw data tor further analysis with Amazon QuickSight.

Answers
D.

Send EC2 logs to Amazon S3. Use Amazon Redshift to fetch togs from the S3 bucket to process raw data tor further analysis with Amazon QuickSight.

Suggested answer: B

Explanation:

To analyze the performance of the web application with granularity of no more than 2 minutes, enabling detailed monitoring on EC2 instances is the best solution. By default, CloudWatch provides metrics at a 5-minute interval. Enabling detailed monitoring allows you to collect metrics at 1-minute intervals, which will give you the level of granularity you need to analyze performance during peak traffic.

Amazon CloudWatch metrics can then be used to analyze CPU utilization, memory usage, disk I/O, and network throughput, among other performance-related metrics, at the desired granularity.

Option A: Sending CloudWatch logs to Redshift for analysis is unnecessary and overcomplicated for simple performance analysis, which can be done using CloudWatch metrics alone.

Option C: Fetching EC2 logs via Lambda adds complexity, and CloudWatch metrics already provide the required data for performance analysis.

Option D: Sending logs to S3 and using Redshift for analysis is also more complex than necessary for simple performance monitoring.

AWS

Reference:

Monitoring Amazon EC2 with CloudWatch

Amazon CloudWatch Detailed Monitoring

asked 27/10/2024
David Llamas Ampudia
32 questions
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