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Free Amazon AWS Certified Solutions Architect - Associate Exam Braindumps (page: 34)

Page 34 of 256
PDF with 571 Questions

A company is running a multi-tier web application on premises. The web application is containerized and runs on a number of Linux hosts connected to a PostgreSQL database that contains user records. The operational overhead of maintaining the infrastructure and capacity planning is limiting the company's growth. A solutions architect must improve the application's infrastructure.
Which combination of actions should the solutions architect take to accomplish this? (Choose two.)

  1. Migrate the PostgreSQL database to Amazon Aurora.
  2. Migrate the web application to be hosted on Amazon EC2 instances.
  3. Set up an Amazon CloudFront distribution for the web application content.
  4. Set up Amazon ElastiCache between the web application and the PostgreSQL database.
  5. Migrate the web application to be hosted on AWS Fargate with Amazon Elastic Container Service (Amazon ECS).

Answer(s): A,E



An application runs on Amazon EC2 instances across multiple Availability Zonas. The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer. The application performs best when the CPU utilization of the EC2 instances is at or near 40%.
What should a solutions architect do to maintain the desired performance across all instances in the group?

  1. Use a simple scaling policy to dynamically scale the Auto Scaling group.
  2. Use a target tracking policy to dynamically scale the Auto Scaling group.
  3. Use an AWS Lambda function ta update the desired Auto Scaling group capacity.
  4. Use scheduled scaling actions to scale up and scale down the Auto Scaling group.

Answer(s): B



A company is developing a file-sharing application that will use an Amazon S3 bucket for storage. The company wants to serve all the files through an Amazon CloudFront distribution. The company does not want the files to be accessible through direct navigation to the S3 URL.
What should a solutions architect do to meet these requirements?

  1. Write individual policies for each S3 bucket to grant read permission for only CloudFront access.
  2. Create an IAM user. Grant the user read permission to objects in the S3 bucket. Assign the user to CloudFront.
  3. Write an S3 bucket policy that assigns the CloudFront distribution ID as the Principal and assigns the target S3 bucket as the Amazon Resource Name (ARN).
  4. Create an origin access identity (OAI). Assign the OAI to the CloudFront distribution. Configure the S3 bucket permissions so that only the OAI has read permission.

Answer(s): D



A company’s website provides users with downloadable historical performance reports. The website needs a solution that will scale to meet the company’s website demands globally. The solution should be cost-effective, limit the provisioning of infrastructure resources, and provide the fastest possible response time.
Which combination should a solutions architect recommend to meet these requirements?

  1. Amazon CloudFront and Amazon S3
  2. AWS Lambda and Amazon DynamoDB
  3. Application Load Balancer with Amazon EC2 Auto Scaling
  4. Amazon Route 53 with internal Application Load Balancers

Answer(s): A



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