What will be the new state once you click on the "Start Fix" button in the problem form?

Which of the following roles is allowed to create a new CI class? (Choose two.)

Which table is used to store emergency change requests?

It is recommended to refer to problem states using the values rather than the constants.

A developer is asked to build a solution that will automatically send an email to the Customer when an Opportunity stage changes. The solution must scale to allow for 10,000 emails per day. The criteria to send the email should be evaluated after all Workflow Rules have fired.
What is the optimal way to accomplish this?