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Amazon AWS Certified Developer - Associate Sample Questions (Q29-Q34):

NEW QUESTION # 29
A developer needs to troubleshoot errors within Amazon CloudWatch Logs log data. The logs record attempts by an AWS Lambda function to connect to a REST-based service that a third party hosts.
Each line of the log data displays the HTTP verb used, the URL accessed, and the HTTP status code. The developer needs to create a summary of requests that failed because of a problem on the third party's side. The developer must produce the summary every day.
Which solution will meet these requirements?

A. Use CloudWatch Logs Insights to parse the log data. Filter results that match the range of 500 status codes. Use the count and bin functions to create the summary
B. Use CloudWatch Contributor Insights to parse the log data. Map the status code data to a field.Set the status code as the contribution. Create a filter that matches the range of 500 status codes.
C. Use CloudWatch Logs Insights to parse the log data. Filter results that match the range of 400 status codes. Use the pet and bin functions to create the summary.
D. Use CloudWatch Contributor Insights to parse the log data. Map the status code data to a field.
Set the status code as the contribution. Create a filter that matches the range of 400 status codes.

Answer: A

Explanation:
HTTP 500-level status codes indicate server-side errors, which are problems on the third party's side. Using CloudWatch Logs Insights, the developer can filter logs by 500 status codes, then use the count and bin() functions to generate a daily summary of those failed requests. This provides the required insight with minimal setup.

NEW QUESTION # 30
A developer needs to perform geographic load testing of an API. The developer must deploy resources to multiple AWS Regions to support the load testing of the API. How can the developer meet these requirements without additional application code?

A. Create an AWS Systems Manager document that defines the resources. Use the document to create the resources in the desired Regions.
B. Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI create-stack-set command to create a stack set in the desired Regions.
C. Create and deploy an AWS Lambda function in each desired Region. Configure the Lambda function to create a stack from an AWS CloudFormation template in that Region when the function is invoked.
D. Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI deploy command to create a stack from the template in each Region.

Answer: B

Explanation:
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacksets-concepts.html
https://awscli.amazonaws.com/v2/documentation/api/2.1.30/reference/cloudformation/create- stack-set.html

NEW QUESTION # 31
A company has a web application that runs on Amazon EC2 instances with a custom Amazon Machine Image (AMI) The company uses AWS CloudFormation to provision the application The application runs in the us-east-1 Region, and the company needs to deploy the application to the us-west-1 Region An attempt to create the AWS CloudFormation stack in us-west-1 fails. An error message states that the AMI ID does not exist. A developer must resolve this error with a solution that uses the least amount of operational overhead Which solution meets these requirements?

A. Manually deploy the application outside AWS CloudFormation in us-west-1.
B. Copy the custom AMI from us-east-1 to us-west-1. Update the AWS CloudFormation template for us-west-1 to refer to AMI ID for the copied AMI Relaunch the stack
C. Build the custom AMI in us-west-1 Create a new AWS CloudFormation template to launch the stack in us-west-1 with the new AMI ID
D. Change the AWS CloudFormation templates for us-east-1 and us-west-1 to use an AWS AMI. Relaunch the stack for both Regions.

Answer: B

Explanation:
Problem: CloudFormation can't find the custom AMI in the target region (us-west-1) because AMIs are region-specific.
Copying AMIs:
AMIs can be copied across regions, maintaining their configuration.
This approach minimizes operational overhead as the existing CloudFormation template can be reused with a minor update.
Updating the Template:
Modify the CloudFormation template in us-west-1 to reference the newly copied AMI's ID in that region.
Reference:
Copying AMIs: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/CopyingAMIs.html CloudFormation Templates and AMIs: [invalid URL removed]

NEW QUESTION # 32
A company has built a serverless application for its ecommerce website. The application includes a REST API in Amazon API Gateway that invokes an AWS Lambda function. The Lambda function processes data and stores the data in Amazon DynamoDB table. The Lambda function calls a third-party stock application API to process the order. After the ordered is processed, the Lambda function returns an HTTP 200 status code with no body to the client.
During peak usage when the API calls exceeds a certain threshold, the third-party stock application sometimes fails to process the data and responds with error messages. The company needs a solution that will not overwhelm the third-party stock application.
Which solution will meet these requirements?

A. Configure the REST API in API Gateway to write the requests directly into an Amazon Simple Queue Service (Amazon SQS) queue. Configure the Lambda function with a reserved concurrency equal to the third-party stock application's threshold. Set Lambda function to process the messages from the SQS queue.
B. Configure the REST API in API Gateway to write the requests directly into DynamoDB. Configure a DynamoDB intrinsic function to perform the transformation. Set up a DynamoDB stream to call the third-party stock application API with each new row. Delete the Lambda function.
C. Configure the REST API in API Gateway to write the requests directly into an Amazon Simple Notification Service (Amazon SNS) topic. Configure the Lambda function with a provisioned concurrency equal to the third-party stock application's threshold. Set the Lambda function to process the messages from the SNS topic.
D. Configure the REST API in API Gateway to write the requests directly into Amazon Athena.Configure the transformation of the data by using SQL with multiple query result locations set up to point to the DynamoDB table and the third-party stock fulfilment application API. Delete the Lambda function.

Answer: A

NEW QUESTION # 33
A data visualization company wants to strengthen the security of its core applications The applications are deployed on AWS across its development staging, pre-production, and production environments. The company needs to encrypt all of its stored sensitive credentials The sensitive credentials need to be automatically rotated Aversion of the sensitive credentials need to be stored for each environment Which solution will meet these requirements in the MOST operationally efficient way?

A. Configure AWS Secrets Manager versions to store different copies of the same credentials across multiple environments
B. Configure the environment variables in the application code Use different names for each environment type
C. Create a new parameter version in AWS Systems Manager Parameter Store for each environment Store the environment-specific credentials in the parameter version.
D. Configure AWS Secrets Manager to create a new secret for each environment type. Store the environment-specific credentials in the secret

Answer: D

Explanation:
Secrets Management: AWS Secrets Manager is designed specifically for storing and managing sensitive credentials.
Environment Isolation: Creating separate secrets for each environment (development, staging, etc.) ensures clear separation and prevents accidental leaks.
Automatic Rotation: Secrets Manager provides built-in rotation capabilities, enhancing security posture.
Reference:
AWS Secrets Manager: https://aws.amazon.com/secrets-manager/
Secrets Manager Rotation: https://docs.aws.amazon.com/secretsmanager/latest/userguide/rotating-secrets.html

NEW QUESTION # 34
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