Amazon AWS Certified Developer Associate - DVA-C01 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

A company is building a serverless application that uses AWS Lambd
a. The application includes Lambda functions that are exposed by Amazon API Gateway The functions will use several large third-party libraries, and the build artifacts will exceed 50 MB in size.
Which combination of steps should a developer take to prepare and perform the deployment? (Select TWO.)

A. Issue the aws lambda update-function-code CLI command with a parameter that points to the source code in AWS CodeCommit. B. Upload the build artifact to Amazon S3. C. Issue the aws lambda update-function-code CLI command with the -zip-file fileb://my-function.zip parameter D. Issue the aws lambda update-function-code CLI command with the -s3-bucket and -s3-key parameters. E. Issue the aws cloudformation package CLI command.

Discussion 0

Correct Answer: B,D Vote an answer

Question 2

A company is using continuous integration/continuous deliver (CI/CD) system. A developer must automate the deployment of an application software package to Amazon EC2 instances and virtual servers that run on premises.
Which AWS services should the developer use to meet these requirements?

A. AWS Cloud9 B. AWS CodeBuild C. AWS Elastic Beanstalk D. AWS CodeDeploy

Discussion 0

Correct Answer: D Vote an answer

Question 3

An AWS Lambda function generates a 3MB JSON file and then uploads it to an Amazon S3 bucket daily. The file contains sensitive information, so the Developer must ensure that it is encrypted before uploading to the bucket.
Which of the following modifications should the Developer make to ensure that the data is encrypted before uploading it to the bucket?

A. Use a custom KMS customer master key created for S3 in the Lambda function code. B. Use the GenerateDateKey API, then use that data key to encrypt the file in the Lambda function code. C. Use the S3 managed key and call the GenerateDataKey API to encrypt the file. D. Use the default AWS KMS customer master key for S3 in the Lambda function code.

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Correct Answer: B Vote an answer

Question 4

When developing an AWS Lambda function that processes Amazon Kinesis Data Streams, Administrators within the company must receive a notice that includes the processed data.
How should the Developer write the function to send processed data to the Administrators?

A. Publish the processed data to an Amazon SNS topic B. Push the processed data to Amazon SQS C. Use Amazon CloudWatch Events to send the processed data D. Separate the Lambda handler from the core logic

Discussion 0

Correct Answer: A Vote an answer

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Question 5

A business intelligence application runs on Amazon Elastic Container Service (Amazon ECS) on AWS Fargate. Application-level audits require a searchable log of all API calls from users to the application. The application's developers must store the logs centrally on AWS.
Which solution will meet these requirements?

A. Configure the awslogs log driver in the ECS task definition. B. Configure AWS CloudTrail for the ECS containers. C. Install the Amazon CloudWatch agent on the Amazon EC2 host that runs Fargate. D. Install the ECS logs collector on the ECS hosts.

Discussion 0

Correct Answer: A Vote an answer

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Question 6

A company runs an e-commerce website that uses Amazon DynamoDB where pricing for items is dynamically updated in real time. At any given time, multiple updates may occur simultaneously for pricing information on a particular product. This is causing the original editor's changes to be overwritten without a proper review process.
Which DynamoDB write option should be selected to prevent this overwriting?

A. Concurrent writes B. Conditional writes C. Atomic writes D. Batch writes

Discussion 0

Correct Answer: B Vote an answer

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Question 7

A Developer has created a large Lambda function, and deployment is failing with the following error:
ClientError: An error occurred (InvalidParameterValueException) when calling the CreateFunction operation: Unzipped size must be smaller than XXXXXXXXX bytes', where XXXXXXXXX is the current Lambda limit What can the Developer do to fix this problem?

A. Use a compression algorithm that is more efficient than ZIP. B. Submit a limit increase request to AWS Support to increase the function to the size needed. C. Break the function into multiple smaller Lambda functions. D. ZIP the ZIP file twice to compress it further.

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Correct Answer: C Vote an answer

Question 8

A developer is creating a role to access Amazon S3 buckets To create the role, the developer uses the AWS CLI create-role command. Which policy should be added to allow the Amazon EC2 service to assume the role?

A. Managed policy B. Inline policy C. Service control policy (SCP) D. Trust policy

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Correct Answer: D Vote an answer

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Question 9

An application will ingest data at a very high throughput from many sources and must store the data in an Amazon S3 bucket. Which service would BEST accomplish this task?

A. Amazon SNS B. Amazon Kinesis Firehose C. Amazon S3 Acceleration Transfer D. Amazon SQS

Discussion 0

Correct Answer: B Vote an answer

Question 10

An application is processing clickslream data using Amazon Kinesis. The clickstream data feed into Kinesis experiences periodic spikes. The PutRecords API call occasionally fails and the logs show that the failed call returns the response shown below.

Which techniques will help mitigate this exception? (Select TWO.)

A. Implement retries with exponential backoff B. Reduce the number of KCL consumers. C. Reduce the frequency and/or size of the requests D. Use a PutRecord API instead of PutRecords E. Use Amazon SNS instead of Kinesis.

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Correct Answer: A,C Vote an answer

Question 11

A developer is receiving an intermittent ProvisionedThroughputExceededException error from an application that is based on Amazon DynamoDB. According to the Amazon CloudWatch metrics for the table, the application is not exceeding the provisioned throughput What could be the cause of the issue?

A. The application is exceeding capacity on a particular hash key. B. The DynamoDB table storage size is larger than the provisioned size. C. The DynamoDB table is exceeding the provisioned scaling operations. D. The application is exceeding capacity on a particular sort key.

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Correct Answer: A Vote an answer

Question 12

A Developer is making changes to a custom application that is currently using AWS Elastic Beanstalk.
After the Developer completes the changes, what solutions will update the Elastic Beanstalk environment with the new application version? (Choose two.)

A. Package the application code into a .zip file, create a new application version from the packaged application by using AWS CLI, then update the environment by using AWS CLI B. Package the application code into a .tar file, and upload and deploy the packaged application from the AWS Management Console C. Package the application code into a .zip file, and upload, then deploy the packaged application from the AWS Management Console D. Package the application code into a .zip file, create a new application version from the AWS Management Console, then rebuild the environment by using AWS CLI E. Package the application code into a .tar file, create a new application version from the AWS Management Console, then update the environment by using AWS CLI

Discussion 0

Correct Answer: A,B Vote an answer