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You are running a news website in the eu-west-1 region that updates every 15 minutes. The website has a world-wide audience. It uses an Auto Scaling group behind an Elastic Load Balancer and an Amazon RDS database. Static content resides on Amazon S3, and is distributed through Amazon CloudFront. Your Auto Scaling group is set to trigger a scale up event at 60% CPU utilization. You use an Amazon RDS extra large DB instance with 10.000 Provisioned IOPS, its CPU utilization is around 80%, while freeable memory is in the 2 GB range.

Web analytics reports show that the average load time of your web pages is around 1.5 to 2 seconds, but your SEO consultant wants to bring down the average load time to under 0.5 seconds.

How would you improve page load times for your users? (Choose three.)

A. Lower the scale up trigger of your Auto Scaling group to 30% so it scales more aggressively.

B. Add an Amazon ElastiCache caching layer to your application for storing sessions and frequent DB queries

C. Configure Amazon CloudFront dynamic content support to enable caching of re-usable content from your site

D. Switch the Amazon RDS database to the high memory extra large Instance type

E. Set up a second installation in another region, and use the Amazon Route 53 latency-based routing feature to select the right region.

A company recently transformed its legacy infrastructure provisioning scripts to AWS CloudFormation templates. The newly developed templates are hosted in the company's private GitHub repository. Since adopting CloudFormation, the company has encountered several issues with updates to the CloudFormation templates, causing execution or creating environment. Management is concerned by the increase in errors and has asked a Solutions Architect to design the automated testing of CloudFormation template updates.

What should the Solution Architect do to meet these requirements?

A. Use AWS CodePipeline to create a change set from the CloudFormation templates stored in the private GitHub repository. Execute the change set using AWS CodeDeploy. Include a CodePipeline action to test the deployment with testing scripts run by AWS CodeBuild.

B. Mirror the GitHub repository to AWS CodeCommit using AWS Lambda. Use AWS CodeDeploy to create a change set from the CloudFormation templates and execute it. Have CodeDeploy test the deployment with testing scripts run by AWS CodeBuild.

C. Use AWS CodePipeline to create and execute a change set from the CloudFormation templates stored in the GitHub repository. Configure a CodePipeline action to be deployment with testing scripts run by AWS CodeBuild.

D. Mirror the GitHub repository to AWS CodeCommit using AWS Lambda. Use AWS CodeBuild to create a change set from the CloudFormation templates and execute it. Have CodeBuild test the deployment with testing scripts.

A company wants to improve cost awareness for its Amazon EMR platform. The company has allocated budgets for each team's Amazon EMR usage. When a budgetary threshold is reached, a notification should be sent by email to the budget office's distribution list. Teams should be able to view their EMR cluster expenses to date. A solutions architect needs to create a solution that ensures the policy is proactively and centrally enforced in a multi-account environment.

Which combination of steps should the solutions architect take to meet these requirements? (Choose two.)

A. Update the AWS CloudFormation template to include the AWS::Budgets::Budget::resource with the NotificationsWithSubscribers property.

B. Implement Amazon CloudWatch dashboards for Amazon EMR usage.

C. Create an EMR bootstrap action that runs at startup that calls the Cost Explorer API to set the budget

on the cluster with the GetCostForecast and NotificationsWithSubscribers actions.

D. Create an AWS Service Catalog portfolio for each team. Add each team's Amazon EMR cluster as an AWS CloudFormation template to their Service Catalog portfolio as a Product.

E. Create an Amazon CloudWatch metric for billing. Create a custom alert when costs exceed the budgetary threshold.