What does it cost to launch an EC2 instance from the AWS Marketplace?

When using an ECS cluster with EC2 instances, what maintenance tasks should you perform on the EC2s?

What in-memory caching server is not supported by ElastiCache?

Which AWS service can be used to help generate the documentation required by various compliance standards, such as Payment Card Industry Data Security Standard (PCI DSS) Level 1 for the handling of credit card data?

When using AWS for research and development ahead of a planned migration, how do you prevent unexpected increases or spikes in the billing?

You are creating a DynamoDB table to store all movies that have been released since 1938. Your application will allow users to search by movie title and see the details of that film. Given the sample below showing the movie data that you will be importing, what is the best set of keys to apply to this table? { "title": "The Avengers", "year": 2012, "cast": ["Mark Ruffalo", "Robert Downey, Jr."], "genres": ["Action"]}

How can you rewrite URLs with ELB?

What should be set up to move files from S3 to Glacier automatically?

Would an AWS user be billed for their primary Elastic IP attached to an EC2 instance?

An EBS volume can be attached to more than one instance at a time.

Which of these entities could be transferred between AWS regions?