What should an administrator consider when setting up and maintaining salesforce knowledge? choose 3

Universal Containers has a white-glove service level for its top customers.
After a case is created, how should the administrator allow the agent to see the number of hours remaining before the service agreement is overdue?

What are two capabilities of Salesforce Customer Community members?
Choose 2 answers.

Universal Containers uses a custom object to track resources called Supply Items with a lookup to Accounts.
The Supply Items records should only be visible by users that own the Account records. What sharing setting provides the correct visibility?

Testing an AppExchange package is completed on Developer Sandbox, what needs to be done to deploy the package to production without any customization?