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Exam AWS Certified Developer Associate topic 1 question 402 discussion

Exam question from Amazon's AWS Certified Developer Associate
Question #: 402
Topic #: 1
[All AWS Certified Developer Associate Questions]

A company uses Amazon DynamoDB as a data store for its order management system. The company frontend application stores orders in a DynamoDB table. The DynamoDB table is configured to send change events to a DynamoDB stream. The company uses an AWS Lambda function to log and process the incoming orders based on data from the DynamoDB stream.

An operational review reveals that the order quantity of incoming orders is sometimes set to 0. A developer needs to create a dashboard that will show how many unique customers this problem affects each day.

What should the developer do to implement the dashboard?

  • A. Grant the Lambda function's execution role permissions to upload logs to Amazon CloudWatch Logs. Implement a CloudWatch Logs Insights query that selects the number of unique customers for orders with order quantity equal to 0 and groups the results in 1-day periods. Add the CloudWatch Logs Insights query to a CloudWatch dashboard.
  • B. Use Amazon Athena to query AWS CloudTrail API logs for API calls. Implement an Athena query that selects the number of unique customers for orders with order quantity equal to 0 and groups the results in 1-day periods. Add the Athena query to an Amazon CloudWatch dashboard.
  • C. Configure the Lambda function to send events to Amazon EventBridge. Create an EventBridge rule that groups the number of unique customers for orders with order quantity equal to 0 in 1-day periods. Add a CloudWatch dashboard as the target of the rule.
  • D. Turn on custom Amazon CloudWatch metrics for the DynamoDB stream of the DynamoDB table. Create a CloudWatch alarm that groups the number of unique customers for orders with order quantity equal to 0 in 1-day periods. Add the CloudWatch alarm to a CloudWatch dashboard.
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Suggested Answer: A 🗳️
by KT_Yu at Jan. 20, 2023, 8:35 p.m.
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AmberTheTamber
2 years, 2 months ago
Selected Answer: D
I choose D and standing on it. I understand Insights are recommended for operational data as described in the doc. However D technically isn't wrong either and it's what alot ofd use in field. Maybe this was supposed to be a pick two type of question?
upvoted 2 times
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JagpreetLM10
2 years, 3 months ago
Selected Answer: A
Grant the Lambda function's execution role permissions to upload logs to Amazon CloudWatch Logs. Implement a CloudWatch Logs Insights query that selects the number of unique customers for orders with order quantity equal to 0 and groups the results in 1-day periods. Add the CloudWatch Logs Insights query to a CloudWatch dashboard.
upvoted 2 times
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KT_Yu
2 years, 3 months ago
Selected Answer: A
https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/AnalyzingLogData.html
upvoted 3 times
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