Printable PDFAmazon DVA-C02 Exam Questions & Answers
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Vendor: Amazon
Exam Code: DVA-C02
Exam Name: AWS Certified Developer - Associate (DVA-C02)
Certification Provider: Amazon
Total Questions: 563 Q&A ( View Details)
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DVA-C02 Online Practice Questions and Answers
A developer is creating a new REST API by using Amazon API Gateway and AWS Lambda. The development team tests the API and validates responses for the known use cases before deploying the API to the production environment.
The developer wants to make the REST API available for testing by using API Gateway locally.
Which AWS Serverless Application Model Command Line Interface (AWS SAM CLI) subcommand will meet these requirements?
A. Sam local invoke
B. Sam local generate-event
C. Sam local start-lambda
D. Sam local start-api
A developer is creating an AWS Lambda function that consumes messages from an Amazon Simple Queue Service (Amazon SQS) standard queue. The developer notices that the Lambda function processes some messages multiple times.
How should developer resolve this issue MOST cost-effectively?
A. Change the Amazon SQS standard queue to an Amazon SQS FIFO queue by using the Amazon SQS message deduplication ID.
B. Set up a dead-letter queue.
C. Set the maximum concurrency limit of the AWS Lambda function to 1
D. Change the message processing to use Amazon Kinesis Data Streams instead of Amazon SQS.
A developer has an application that asynchronously invokes an AWS Lambda function. The developer wants to store messages that resulted in failed invocations of the Lambda function so that the application can retry the call later. What should the developer do to accomplish this goal with the LEAST operational overhead?
A. Set up Amazon CloudWatch Logs log groups to filter and store the messages in an Amazon S3 bucket. Import the messages in Lambda. Run the Lambda function again.
B. Configure Amazon EventBridge to send the messages to Amazon Simple Notification Service (Amazon SNS) to initiate the Lambda function again.
C. Implement a dead-letter queue for discarded messages. Set the dead-letter queue as an event source for the Lambda function.
D. Send Amazon EventBridge events to an Amazon Simple Queue Service (Amazon SQS) queue. Configure the Lambda function to pull messages from the SQS queue. Run the Lambda function again.
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