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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 146 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 146
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is building an application that uses AWS API Gateway APIs, AWS Lambda functions, and AWS DynamoDB tables. The developer uses the AWS Serverless Application Model (AWS SAM) to build and run serverless applications on AWS. Each time the developer pushes changes for only to the Lambda functions, all the artifacts in the application are rebuilt.

The developer wants to implement AWS SAM Accelerate by running a command to only redeploy the Lambda functions that have changed.

Which command will meet these requirements?

  • A. sam deploy --force-upload
  • B. sam deploy --no-execute-changeset
  • C. sam package
  • D. sam sync --watch
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Suggested Answer: D 🗳️
by fordiscussionstwo at Oct. 6, 2023, 1:37 a.m.
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Digo30sp
Highly Voted 1 year ago
Selected Answer: D
The correct answer is (D). The sam sync --watch command will only deploy the Lambda functions that have changed. This command uses AWS SAM Accelerate to compare the local versions of your Lambda functions to the versions deployed in AWS. If there are differences, the command deploys only the changed Lambda functions.
upvoted 8 times
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65703c1
Most Recent 5 months ago
Selected Answer: D
D is the correct answer.
upvoted 1 times
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hayjaykay
8 months, 1 week ago
Correct answer is B. To deploy only the Lambda functions that have changed using AWS SAM Accelerate, the developer can use the sam deploy --no-execute-changeset command. This command will create an AWS CloudFormation change set without executing it, allowing the developer to preview the changes before deploying.
upvoted 1 times
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SerialiDr
9 months, 1 week ago
Selected Answer: D
D. sam sync --watch: This command is a part of SAM Accelerate and is used for rapid iterative development. When run, it watches for changes in the source files of your Lambda functions and APIs and deploys only those changes, rather than redeploying the entire stack. This greatly speeds up the deployment process during development. Therefore, to implement AWS SAM Accelerate and only redeploy the Lambda functions that have changed, the developer should use sam sync --watch. This command aligns with the goal of deploying changes rapidly and efficiently, focusing only on the components that have been modified.
upvoted 1 times
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dilleman
1 year ago
Selected Answer: D
D is correct
upvoted 1 times
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