AWS Certified Developer Associate Exam - Free Exam Q&As, Page 1

AWS Certified Developer Associate Actual Exam Questions

Last updated on Dec. 5, 2024.

Vendor:Amazon

Exam Code:AWS Certified Developer Associate

Exam Name:AWS Certified Developer Associate

Exam Questions:443

Topic 1 - Single Topic

Question #1 Topic 1

A gaming website gives users the ability to trade game items with each other on the platform. The platform requires both users' records to be updated and persisted in one transaction. If any update fails, the transaction must roll back.
Which AWS solution can provide the transactional capability that is required for this feature?

A. Amazon DynamoDB with operations made with the Consistent Read parameter set to true
B. Amazon ElastiCache for Memcached with operations made within a transaction block
C. Amazon DynamoDB with reads and writes made by using Transact* operations
D. Amazon Aurora MySQL with operations made within a transaction block
E. Amazon Athena with operations made within a transaction block

Reveal Solution Discussion 49

Correct Answer: C 🗳️

Question #2 Topic 1

A developer has created a Java application that makes HTTP requests directly to AWS services. Application logging shows 5xx HTTP response codes that occur at irregular intervals. The errors are affecting users.
How should the developer update the application to improve the application's resiliency?

A. Revise the request content in the application code.
B. Use the AWS SDK for Java to interact with AWS APIs.
C. Scale out the application so that more instances of the application are running.
D. Add additional logging to the application code.

Reveal Solution Discussion 28

Correct Answer: B 🗳️

Question #3 Topic 1

A global company has a mobile app with static data stored in an Amazon S3 bucket in the us-east-1 Region. The company serves the content through an Amazon
CloudFront distribution. The company is launching the mobile app in South Africa. The data must reside in the af-south-1 Region. The company does not want to deploy a specific mobile client for South Africa.
What should the company do to meet these requirements?

A. Use the CloudFront geographic restriction feature to block access to users in South Africa.
B. Create a Lambda@Edge function. Associate the Lambda@Edge function as an origin request trigger with the CloudFront distribution to change the S3 origin Region.
C. Create a Lambda@Edge function. Associate the Lambda@Edge function as a viewer response trigger with the CloudFront distribution to change the S3 origin Region.
D. Include af-south-1 in the alternate domain name (CNAME) of the CloudFront distribution.

Reveal Solution Discussion 23

Correct Answer: B 🗳️

Question #4 Topic 1

A developer is testing an AWS Lambda function by using the AWS Serverless Application Model (AWS SAM) local CLI. The application that is implemented by the
Lambda function makes several AWS API calls by using the AWS software development kit (SDK). The developer wants to allow the function to make AWS API calls in a test AWS account from the developer's laptop.
What should the developer do to meet these requirements?

A. Edit the template.yml file. Add the AWS_ACCESS_KEY_ID property and the AWS_SECRET_ACCESS_KEY property in the Globals section.
B. Add a test profile by using the aws configure command with the --profile option. Run AWS SAM by using the sam local invoke command with the -profile option.
C. Edit the template.yml tile. For the AWS::Serverless::Function resource, set the role to an IAM role in the AWS account.
D. Run the function by using the sam local invoke command. Override the AWS_ACCESS_KEY_ID parameter and the AWS_SECRET_ACCESS_KEY parameter by specifying the --parameter-overrides option.

Reveal Solution Discussion 11

Correct Answer: B 🗳️

Question #5 Topic 1

A developer designed an application on an Amazon EC2 instance. The application makes API requests to objects in an Amazon S3 bucket.
Which combination of steps will ensure that the application makes the API requests in the MOST secure manner? (Choose two.)

A. Create an IAM user that has permissions to the S3 bucket. Add the user to an IAM group.
B. Create an IAM role that has permissions to the S3 bucket.
C. Add the IAM role to an instance profile. Attach the instance profile to the EC2 instance.
D. Create an IAM role that has permissions to the S3 bucket. Assign the role to an 1AM group.
E. Store the credentials of the IAM user in the environment variables on the EC2 instance.

Reveal Solution Discussion 14

Correct Answer: BC 🗳️

Question #6 Topic 1

A developer is configuring an Amazon CloudFront distribution for a new application to provide encryption in transit. The application is running in the eu-west-1
Region. The developer creates a new certificate in AWS Certificate Manager (ACM) in eu-west-1, but the certificate is not visible in the CloudFront distribution settings.
What should the developer do to fix this problem?

A. Create the certificate for the domain in the same Region as the application. Ensure that the alternate domain name (CNAME) in the distribution settings matches the domain name in the certificate.
B. Create the certificate in the eu-west-1 Region. Ensure that the alternate domain name (CNAME) in the distribution settings matches the domain name in the certificate.
C. Recreate the CloudFront distribution in the same Region as the certificate.
D. Specify the ACM certificate name as the default root object of the CloudFront distribution.

Reveal Solution Discussion 17

Correct Answer: B 🗳️

Question #7 Topic 1

A developer is building an application that runs behind an Application Load Balancer (ALB). The ALB is configured as the origin for an Amazon CloudFront distribution. Users will log in to the application by using their social media accounts.
How can the developer authenticate users?

A. Validate the users by inspecting the tokens in an AWS Lambda authorizer on the ALB.
B. Configure the ALB to use Amazon Cognito as one of the authentication providers.
C. Configure CloudFront to use Amazon Cognito as one of the authentication providers.
D. Validate the users by calling the Amazon Cognito API in an AWS Lambda authorizer on the ALB.

Reveal Solution Discussion 15

Correct Answer: B 🗳️

Question #8 Topic 1

A company has an application that analyzes photographs. A developer is preparing the application for deployment to Amazon EC2 instances. The application's image analysis functions require a mix of GPU instances and CPU instances that run on Amazon Linux. The developer needs to add code to the application so that the functions can determine whether they are running on a GPU instance.
What should the functions do to obtain this information?

A. Call the DescribeInstances API operation and filter on the current instance ID. Examine the ElasticGpuAssociations property.
B. Evaluate the GPU AVAILABLE environment variable.
C. Call the DescribeElasticGpus API operation.
D. Retrieve the instance type from the instance metadata.

Reveal Solution Discussion 15

Correct Answer: D 🗳️

Question #9 Topic 1

A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company has set up multi-factor authentication (MFA). The company also wants to send a login activity notification by email every time a user logs in.
What is the MOST operationally efficient solution that meets this requirement?

A. Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon API Gateway API to invoke the function. Call the API from the client side when login confirmation is received.
B. Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon Cognito post authentication Lambda trigger for the function.
C. Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Create an Amazon CloudWatch Logs log subscription filter to invoke the function based on the login status.
D. Configure Amazon Cognito to stream all logs to Amazon Kinesis Data Firehose. Create an AWS Lambda function to process the streamed logs and to send the email notification based on the login status of each user.

Reveal Solution Discussion 9

Correct Answer: B 🗳️

Question #10 Topic 1

A company hosts a three-tier web application on AWS behind an Amazon CloudFront distribution. A developer wants a dashboard to monitor error rates and anomalies of the CloudFront distribution with the shortest possible refresh interval.
Which combination of slops should the developer take to meet these requirements? (Choose two.)

A. Activate real-time logs on the CloudFront distribution. Create a stream in Amazon Kinesis Data Streams.
B. Export the CloudFront logs to an Amazon S3 bucket. Detect anomalies and error rates with Amazon QuickSight.
C. Configure Amazon Kinesis Data Streams to deliver logs to Amazon OpenSearch Service (Amazon Elasticsearch Service). Create a dashboard in OpenSearch Dashboards (Kibana).
D. Create Amazon CloudWatch alarms based on expected values of selected CloudWatch metrics to detect anomalies and errors.
E. Design an Amazon CloudWatch dashboard of the selected CloudFront distribution metrics.

Reveal Solution Discussion 18

Correct Answer: AC 🗳️

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