What is allowed with Territory Management and the territory hierarchy but NOT with the standard Role Hierarchy? Choose 2 answers

In a private sharing model, what is a possible reason a user can view an account record without being the record owner or system administrator?

An administrator has uploaded a change set from a sandbox to a production organization and would like to add a missing component to the change set before deployment.
What option does the administrator have to modify the change set? Choose 2 answers.

The VP of Finance wants to ensure that once an opportunity is closed, it cannot be modified by any user. How can an administrator meet this requirement?

Order status field value is not populating from an external processing system during a transaction. How to troubleshoot ?