Operational Excellence is supported by three best practices : Prepare ,Operate and Evolve . Which AWS service (s) would best support the best practice of Prepare?

Which option describes an item that can be found within the Amazon DynamoDB data model?

To properly support a workload within the Operational Excellence pillar,one needs to continuously experiment and evolve by action on opportunities to improve because change is constant.

Which of the following options are responsibilities of a customer when a database is hosted on an Amazon EC2? Select two.

The AWS Fargate works with both ECS and EKS

All of the following options are considerations when you select a database solution , EXCEPT which one?

Having well-architected systems greatly increases the likelihood of business success

Required procedures should be adequately captured in runbooks and playbooks to align with the best practice of Operate.

How many security groups can you assign to an Amazon EC2 instance ? 

In the cloud, it is possible to automate and test on demand which lowers the risk of impact from design changes.