QUESTION: 221

A company is developing a new on-demand video application that is based on microservices. The application will have 5 million users at launch and will have 30 million users after 6 months. The company has deployed the application on Amazon Elastic Container Service (Amazon ECS) on AWS Fargate. The company developed the application by using ECS services that use the HTTPS protocol.

A solutions architect needs to implement updates to the application by using blue/green deployments. The solution must distribute traffic to each ECS service through a load balancer. The application must automatically adjust the number of tasks in response to an Amazon CloudWatch alarm.

Which solution will meet these requirements?

Configure the ECS services to use the blue/green deployment type and a Network Load Balancer. Request increases to the service quota for tasks per service to meet the demand.
Configure the ECS services to use the blue/green deployment type and a Network Load Balancer. Implement Auto Scaling group for each ECS service by using the Cluster Autoscaler.
Configure the ECS services to use the blue/green deployment type and an Application Load Balancer. Implement an Auto Scaling group for each ECS service by using the Cluster Autoscaler.
Configure the ECS services to use the blue/green deployment type and an Application Load Balancer. Implement Service Auto Scaling for each ECS service.

Answer(s): D

Explanation:

D) Configuring ECS services to use the blue/green deployment type and an Application Load Balancer ensures that traffic is distributed correctly and allows seamless updates during deployments. Using Service Auto Scaling for each ECS service ensures that the application automatically adjusts the number of tasks in response to demand, based on the CloudWatch alarm. This solution provides both the required deployment method and scalability to meet the growing user demand.

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QUESTION: 222

A company is running a containerized application in the AWS Cloud. The application is running by using Amazon Elastic Container Service (Amazon ECS) on a set of Amazon EC2 instances. The EC2 instances run in an Auto Scaling group.

The company uses Amazon Elastic Container Registry (Amazon ECR) to store its container images. When a new image version is uploaded, the new image version receives a unique tag.

The company needs a solution that inspects new image versions for common vulnerabilities and exposures. The solution must automatically delete new image tags that have Critical or High severity findings. The solution also must notify the development team when such a deletion occurs.

Which solution meets these requirements?

Configure scan on push on the repository. Use Amazon EventBridge to invoke an AWS Step Functions state machine when a scan is complete for images that have Critical or High severity findings. Use the Step Functions state machine to delete the image tag for those images and to notify the development team through Amazon Simple Notification Service (Amazon SNS).
Configure scan on push on the repository. Configure scan results to be pushed to an Amazon Simple Queue Service (Amazon SQS) queue. Invoke an AWS Lambda function when a new message is added to the SQS queue. Use the Lambda function to delete the image tag for images that have Critical or High severity findings. Notify the development team by using Amazon Simple Email Service (Amazon SES).
Schedule an AWS Lambda function to start a manual image scan every hour. Configure Amazon EventBridge to invoke another Lambda function when a scan is complete. Use the second Lambda function to delete the image tag for images that have Critical or High severity findings. Notify the development team by using Amazon Simple Notification Service (Amazon SNS).
Configure periodic image scan on the repository. Configure scan results to be added to an Amazon Simple Queue Service (Amazon SQS) queue. Invoke an AWS Step Functions state machine when a new message is added to the SQS queue. Use the Step Functions state machine to delete the image tag for images that have Critical or High severity findings. Notify the development team by using Amazon Simple Email Service (Amazon SES).

Answer(s): A

Explanation:

A) Configuring scan on push in the Amazon ECR repository ensures that new images are scanned for vulnerabilities immediately after they are uploaded. Using Amazon EventBridge to invoke an AWS Step Functions state machine allows automated workflows to handle the deletion of image tags with Critical or High severity findings and notify the development team via Amazon SNS. This solution is efficient and meets the requirements for automated scanning, deletion, and notifications.

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QUESTION: 223

A company runs many workloads on AWS and uses AWS Organizations to manage its accounts. The workloads are hosted on Amazon EC2. AWS Fargate. and AWS Lambda. Some of the workloads have unpredictable demand. Accounts record high usage in some months and low usage in other months.

The company wants to optimize its compute costs over the next 3 years. A solutions architect obtains a 6-month average for each of the accounts across the organization to calculate usage.

Which solution will provide the MOST cost savings for all the organization's compute usage?

Purchase Reserved Instances for the organization to match the size and number of the most common EC2 instances from the member accounts.
Purchase a Compute Savings Plan for the organization from the management account by using the recommendation at the management account level.
Purchase Reserved Instances for each member account that had high EC2 usage according to the data from the last 6 months.
Purchase an EC2 Instance Savings Plan for each member account from the management account based on EC2 usage data from the last 6 months.

Answer(s): B

Explanation:

B) Purchasing a Compute Savings Plan at the organization level through the management account provides the most flexibility and cost savings across all the organization's compute resources, including EC2, Fargate, and Lambda. This option applies savings across various services and accounts, maximizing cost savings even with unpredictable demand. By using the recommendation at the management account level, the solution is tailored to the organization's actual usage, providing optimal savings for the next 3 years.

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QUESTION: 224

A company has hundreds of AWS accounts. The company uses an organization in AWS Organizations to manage all the accounts. The company has turned on all features.

A finance team has allocated a daily budget for AWS costs. The finance team must receive an email notification if the organization's AWS costs exceed 80% of the allocated budget. A solutions architect needs to implement a solution to track the costs and deliver the notifications.

Which solution will meet these requirements?

In the organization's management account, use AWS Budgets to create a budget that has a daily period. Add an alert threshold and set the value to 80%. Use Amazon Simple Notification Service (Amazon SNS) to notify the finance team.
In the organization’s management account, set up the organizational view feature for AWS Trusted Advisor. Create an organizational view report for cost optimization. Set an alert threshold of 80%. Configure notification preferences. Add the email addresses of the finance team.
Register the organization with AWS Control Tower. Activate the optional cost control (guardrail). Set a control (guardrail) parameter of 80%. Configure control (guardrail) notification preferences. Use Amazon Simple Notification Service (Amazon SNS) to notify the finance team.
Configure the member accounts to save a daily AWS Cost and Usage Report to an Amazon S3 bucket in the organization's management account. Use Amazon EventBridge to schedule a daily Amazon Athena query to calculate the organization’s costs. Configure Athena to send an Amazon CloudWatch alert if the total costs are more than 80% of the allocated budget. Use Amazon Simple Notification Service (Amazon SNS) to notify the finance team.

Answer(s): A

Explanation:

A) Using AWS Budgets in the organization's management account allows tracking of daily AWS costs across all accounts. Setting an alert threshold of 80% and configuring notifications through Amazon SNS ensures that the finance team is notified when the budget is nearing its limit. This solution is simple, effective, and tailored to monitor costs across the organization, meeting the requirement for daily notifications without complex configurations.

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QUESTION: 223

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QUESTION: 224

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