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Amazon DVA-C01 Practice Test - Questions Answers, Page 45

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Question 441

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A developer is attempting to use the Amazon S3 PutObject API operation to upload an object to an S3 bucket that has default encryption enabled. The developer receives a 400 Bad Request error. What is the MOST likely cause of this error?

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Question 442

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A company is using AWS CloudFormation templates to deploy AWS resources. The company needs to update one of its AWS CloudFormation stacks What can the company do to find out how the changes will impact the resources that are running?

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Question 443

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A developer has created a Node js web application on a local development machine. The developer wants to use AWS technology to host the website. The developer needs a solution that requires the least possible operational overhead and no code changes.

Which AWS service should the developer use to meet these requirements?

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Question 444

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A developer is creating AWS CloudFormation templates to manage an application's deployment in Amazon Elastic Container Service (Amazon ECS) through AWS CodeDeploy. The developer wants to automatically deploy new versions of the application to a percentage of users before the new version becomes available for all users.

How should the developer manage the deployment of the new version?

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Question 445

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A developer is writing an application to analyze the traffic to a fleet of Amazon EC2 instances The EC2 instances run behind a public Application Load Balancer (ALB). An HTTP server runs on each of the EC2 instances, logging all requests to a log file.

The developer wants to capture the client public IP addresses. The developer analyzes the log files and notices only the IP address of the ALB What must the developer do to capture the client public IP addresses in the log file?

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Question 446

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A developer at a company writes an AWS ClojdForination template. The template refers to subnets that were created by a separate AWS Cloud Formation template that the company's network team wrote. When the developer attempts to launch the stack for the first time, the launch fails.

Which template coding mistakes could have caused this failure? (Select TWO.)

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Question 447

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A developer is building an application. The application's front end is developed in JavaScript, and the data is stored in an Amazon DynamoDB table During testing, the application returns an HTTP 5xx error from the strongly consistent reads to the DynamoDB table; "Internal server error (Service:

AmazonDynamoDBv2. Status Code: 500; Error Code; InternalServerError)." Which actions should the developer take to mitigate this error? (Select TWO )

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Question 448

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A developer wants to modify the following AWS Cloud Formation template to embed another CloudFormation stack:

Amazon DVA-C01 image Question 448 4206 09162024005626000000

Which syntax should the developer add to the blank line of the CloudFormation template to meet this requirement?

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Question 449

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A developer is working on a serverless application. The application uses Amazon API Gateway. AWS Lambda functions that are written in Python, and Amazon DynamoDB. Which combination of steps should the developer take so that the Lambda functions can be debugged in the event of application failures? (Select TWO )

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Question 450

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A developer supports an application that accesses data in an Amazon DynamoDB table One of the item attributes is expirationDate In the timestamp format The application uses this attribute to find items archive them and remove them from the table based on the timestamp value The application will be decommissioned soon, and the developer must find another way to implement this functionality The developer needs a solution that will require the least amount of code to write. Which solution will meet these requirements?

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A developer runs an application that uses an Amazon API Gateway REST API. The developer needs to implement a solution to proactively monitor the health of both API responses and latencies in case a deployment causes a service disruption despite passing deployment pipeline tests. The solution also must check for endpoint vulnerability and unauthorized changes to APIs. URLs, and website content. Which solution will meet these requirements?
A developer has written the following 1AM policy to provide access to an Amazon S3 bucket: Which access does the policy allow regarding the s3:GetObject and s3:PutObject actions'?