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AWS Certified Developer - Associate Questions and Answers

Question 77

A company caches session information for a web application in an Amazon DynamoDB table. The company wants an automated way to delete old items from the table.

What is the simplest way to do this?

Options:

Write a script that deletes old records; schedule the script as a cron job on an Amazon EC2 instance.

Add an attribute with the expiration time; enable the Time To Live feature based on that attribute.

Each day, create a new table to hold session data; delete the previous day's table.

Add an attribute with the expiration time; name the attribute ItemExpiration.

Question 78

A company is providing read access to objects in an Amazon S3 bucket for different customers. The company uses 1AM permissions to restrict access to the S3 bucket. The customers can access only their own files.

Due to a regulation requirement, the company needs to enforce encryption in transit for interactions with Amazon S3.

Which solution will meet these requirements?

Options:

Add a bucket policy to the S3 bucket to deny S3 actions when the aws:SecureTransport condition is equal to false.

Add a bucket policy to the S3 bucket to deny S3 actions when the s3:x-amz-acl condition is equal to public-read.

Add an 1AM policy to the 1AM users to enforce the usage of the AWS SDK.

Add an 1AM policy to the 1AM users that allows S3 actions when the s3:x-amz-acl condition is equal to bucket-owner-read.

Question 79

A developer is making changes to a custom application that uses AWS Elastic Beanstalk.

Which solutions will update the Elastic Beanstalk environment with the new application version after the developer completes the changes? (Select TWO.)

Options:

Package the application code into a .zip file. Use the AWS Management Console to upload the .zip file and deploy the packaged application.

Package the application code into a .tar file. Use the AWS Management Console to create a new application version from the .tar file. Update the environment by using the AWS CLI.

Package the application code into a .tar file. Use the AWS Management Console to upload the .tar file and deploy the packaged application.

Package the application code into a .zip file. Use the AWS CLI to create a new application version from the .zip file and to update the environment.

Package the application code into a .zip file. Use the AWS Management Console to create a new application version from the .zip file. Rebuild the environment by using the AWS CLI.

Question 80

A company needs to distribute firmware updates to its customers around the world.

Which service will allow easy and secure control of the access to the downloads at the lowest cost?

Options:

Use Amazon CloudFront with signed URLs for Amazon S3.

Create a dedicated Amazon CloudFront Distribution for each customer.

Use Amazon CloudFront with AWS Lambda@Edge.

Use Amazon API Gateway and AWS Lambda to control access to an S3 bucket.

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AWS Certified Developer - Associate Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce