You have a distributed application that periodically processes large volumes of data across multiple Amazon EC2 Instances. The application is designed to recover gracefully from Amazon EC2 instance failures. You are required to accomplish this task in the most cost-effective way. Which of the following will meet your requirements?

Which of the following Boolean logic operators would find all of the search criteria except what was listed?

A) NOT B) OR C) AND D) ALMOST

Which three options are available for remediation with Proactive HA? (Choose three.)

A. Quarantine mode for moderate and Power off for severe failure. B. Quarantine mode for all failures. C. Power off for all failures. D. Quarantine mode for moderate and Maintenance mode for severe failure. E. Maintenance mode for all failures.