Free SAA-C03 Exam Braindumps (page: 111)

Page 111 of 247

A company hosts a multi-tier web application on Amazon Linux Amazon EC2 instances behind an Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. The company observes that the Auto Scaling group launches more On-Demand Instances when the application's end users access high volumes of static web content. The company wants to optimize cost.

What should a solutions architect do to redesign the application MOST cost-effectively?

  1. Update the Auto Scaling group to use Reserved Instances instead of On-Demand Instances.
  2. Update the Auto Scaling group to scale by launching Spot Instances instead of On-Demand Instances.
  3. Create an Amazon CloudFront distribution to host the static web contents from an Amazon S3 bucket.
  4. Create an AWS Lambda function behind an Amazon API Gateway API to host the static website contents.

Answer(s): C



A company stores several petabytes of data across multiple AWS accounts. The company uses AWS Lake Formation to manage its data lake. The company's data science team wants to securely share selective data from its accounts with the company's engineering team for analytical purposes.

Which solution will meet these requirements with the LEAST operational overhead?

  1. Copy the required data to a common account. Create an IAM access role in that account. Grant access by specifying a permission policy that includes users from the engineering team accounts as trusted entities.
  2. Use the Lake Formation permissions Grant command in each account where the data is stored to allow the required engineering team users to access the data.
  3. Use AWS Data Exchange to privately publish the required data to the required engineering team accounts.
  4. Use Lake Formation tag-based access control to authorize and grant cross-account permissions for the required data to the engineering team accounts.

Answer(s): D



A company wants to host a scalable web application on AWS. The application will be accessed by users from different geographic regions of the world. Application users will be able to download and upload unique data up to gigabytes in size. The development team wants a cost-effective solution to minimize upload and download latency and maximize performance.

What should a solutions architect do to accomplish this?

  1. Use Amazon S3 with Transfer Acceleration to host the application.
  2. Use Amazon S3 with CacheControl headers to host the application.
  3. Use Amazon EC2 with Auto Scaling and Amazon CloudFront to host the application.
  4. Use Amazon EC2 with Auto Scaling and Amazon ElastiCache to host the application.

Answer(s): A



A company has hired a solutions architect to design a reliable architecture for its application. The application consists of one Amazon RDS DB instance and two manually provisioned Amazon EC2 instances that run web servers. The EC2 instances are located in a single Availability Zone.

An employee recently deleted the DB instance, and the application was unavailable for 24 hours as a result. The company is concerned with the overall reliability of its environment.

What should the solutions architect do to maximize reliability of the application's infrastructure?

  1. Delete one EC2 instance and enable termination protection on the other EC2 instance. Update the DB instance to be Multi-AZ, and enable deletion protection.
  2. Update the DB instance to be Multi-AZ, and enable deletion protection. Place the EC2 instances behind an Application Load Balancer, and run them in an EC2 Auto Scaling group across multiple Availability Zones.
  3. Create an additional DB instance along with an Amazon API Gateway and an AWS Lambda function. Configure the application to invoke the Lambda function through API Gateway. Have the Lambda function write the data to the two DB instances.
  4. Place the EC2 instances in an EC2 Auto Scaling group that has multiple subnets located in multiple Availability Zones. Use Spot Instances instead of On-Demand Instances. Set up Amazon CloudWatch alarms to monitor the health of the instances Update the DB instance to be Multi-AZ, and enable deletion protection.

Answer(s): B



Page 111 of 247



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