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A user is planning to use the AWS RDS with MySQL. Which of the below mentioned services the user is not going to pay?

A. Data transfer

B. RDS CloudWatch metrics

C. Data storage

D. I/O requests per month

A us-based company is expanding their web presence into Europe. The company wants to extend their AWS infrastructure from Northern Virginia (us-east-1) into the Dublin (eu-west-1) region.

Which of the following options would enable an equivalent experience for users on both continents?

A. Use a public-facing load balancer per region to load-balancer web traffic, and enable HTTP health checks

B. Use a public-facing load balancer per region to load balancer web traffic, and enable sticky sessions

C. Use Amazon Route S3, and apply a geolocation routing policy to distribution traffic across both regions

D. Use Amazon Route S3, and apply a weighted routing policy to distribute traffic across both regions

The project you are working on currently uses a single AWS CloudFormation template to deploy its AWS infrastructure, which supports a multi-tier web application. You have been tasked with organizing the AWS CloudFormation resources so that they can be maintained in the future, and so that different departments such as Networking and Security can review the architecture before it goes to Production.

How should you do this in a way that accommodates each department, using their existing workflows?

A. Organize the AWS CloudFormation template so that related resources are next to each other in the template, such as VPC subnets and routing rules for Networking and Security groups and IAM information for Security

B. Separate the AWS CloudFormation template into a nested structure that has individual templates for the resources that are to be governed by different departments, and use the outputs from the networking and security stacks for the application template that you control

C. Organize the AWS CloudFormation template so that related resources are next to each other in the template for each department's use, leverage your existing continuous integration tool to constantly deploy changes from all parties to the Production environment, and then run tests for validation

D. Use a custom application and the AWS SDK to replicate the resources defined in the current AWS CloudFormation template, and use the existing code review system to allow other departments to approve changes before altering the application for future deployments

What's an ECU?

A. Extended Cluster User.

B. None of these.

C. Elastic Computer Usage.

D. Elastic Compute Unit.

A company is running a batch analysis every hour on their main transactional DB running on an RDS MySQL instance to populate their central Data Warehouse running on Redshift. During the execution of the batch their transactional applications are very slow. When the batch completes they need to update the top management dashboard with the new data. The dashboard is produced by another system running on-premises that is currently started when a manually-sent email notifies that an update is required The on-premises system cannot be modified because is managed by another team.

How would you optimize this scenario to solve performance issues and automate the process as much as possible?

A. Replace RDS with Redshift for the batch analysis and SNS to notify the on-premises system to update the dashboard

B. Replace RDS with Redshift for the batch analysis and SQS to send a message to the on-premises system to update the dashboard

C. Create an RDS Read Replica for the batch analysis and SNS to notify me on-premises system to update the dashboard

D. Create an RDS Read Replica for the batch analysis and SQS to send a message to the on-premises system to update the dashboard.