Which of the following are types of access within an organization? (Choose three.)

Universal Containers has a requirement that an Opportunity should have a field showing the value of its associated account's billing state. This value should not change after the Opportunity has been created. What is the recommended solution to configure this automation behavior?

Ursa Major Solar wants to automate a welcome email to new clients and include a customized survey about their buying experience. An app builder is tasked with this project and has very little time to build the solution from scratch.
What should the app builder do to meet the deadline and custom requirements?

Cloud Kicks (CK) wants to quickly insert a list of over 60,000 net new Accounts. The template based on CK's data model was used to populate the list.
Which tool should be used?

Universal Containers wants to test code against a subnet of production data that is under 5 GB, Additionally, Universal Containers wants to refresh this sandbox every weekend.
Which type of sandbox should be used to accomplish this?