Need to change ownership when field of custom object changed.

What is true when changing the following field types? (Choose 3)

Managers at Universal Containers want a quick way to create additional accounts to form a hierarchy from a Parent Account record. They want to auto-populate five fields based on the parent to make it easier for users to create the child accounts quickly.
What should the app builder recommend?

UV has a customer base where many customers have the same or similar company names.

Universal Containers wants to improve the process to create Opportunity records related to an Account. Many fields can be populated based on the Account record. Some fields require input from the user.
What should an app builder configure to meet the requirement?