Your application is sending 50,000 emails through SES each day. Since you must maintain a low bounce rate to avoid being put on probation, what simple system do you architect to automatically process hard bounces?

Your web application is getting a suspicious amount of bad requests from foreign IP addresses. Your business is operating in only a few countries and you would like to block any other traffic. What is the best practice for limiting access to your web application by country?

What is the best practice for maintaining Windows EC2 instances and applying updates?

In addition to CloudFormation, you can use other orchestration tools to automate server formation and maintenance. Which tool is not an efficient choice for the orchestration of a large infrastructure?

What happens to a SQL Server RDS instance if the databases increase in size and go over the allocated space?

You have a fleet of IoT devices that send telemetry to a server-side application provided by your IoT vendor for decoding a proprietary messaging format. The devices are provisioned to send telemetry reports to your server via UDP on port 6339. What is the best way scale this server as more Iot devices are added to your fleet?

What is Amazon Elastic Transcoder?

AWS provides consolidated billing, allowing one account to pay for multiple services:

What part of AWS handles their DNS?

What two interfaces does Amazon S3 use?

If you wanted to delete a subnet or a gateway, what would you use?