Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 185 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02

Question #: 185
Topic #: 1

[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer has been asked to create an AWS Lambda function that is invoked any time updates are made to items in an Amazon DynamoDB table. The function has been created, and appropriate permissions have been added to the Lambda execution role. Amazon DynamoDB streams have been enabled for the table, but the function is still not being invoked.

Which option would enable DynamoDB table updates to invoke the Lambda function?

A. Change the StreamViewType parameter value to NEW_AND_OLD_IMAGES for the DynamoDB table.
B. Configure event source mapping for the Lambda function.
C. Map an Amazon Simple Notification Service (Amazon SNS) topic to the DynamoDB streams.
D. Increase the maximum runtime (timeout) setting of the Lambda function.

Show Suggested Answer

Suggested Answer: B 🗳️

by fordiscussionstwo at Oct. 6, 2023, 2:43 a.m.

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albert_kuo

8 months, 3 weeks ago

Selected Answer: B

aws lambda create-event-source-mapping \ --function-name MyLambdaFunction \ --event-source-arn arn:aws:dynamodb:region:account-id:table/MyTable/stream/2023-01-01T12:00:00.000 \ --batch-size 100 \ --starting-position LATEST

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