Universal Container has a private sharing model on Accounts. Apex Managed Sharing is required to share certain account records with all users who are assigned to a specific Role in the Role Hierarchy. What should be the recommended way for the Architect to implement this?

An External Object is created to show Invoices from an external accounting system. When viewing the External Object, a user should only access invoice records the user is authorized to see.
What two actions are required to achieve the above requirement? Choose 2 answers

Universal Containers (UC) provides shipment tracking for its customers on a custom Shipment object. The .. yearly by the customers should be available on the Account record to the Marketing team, but the Marketing Shipment records.
What recommend should an Architect provide to accomplish this?

Cloud Kicks wants to set up a new integration with its ERP system. Cloud Kicks' objective is to synchronize contacts in the ERP shipping tables with those in their CRM so that sales reps can view up-to-date contact information. Cloud Kicks has the following environment:
- The integration runs under a dedicated Integration User who is at the top of the role hierarchy.
- The Organization-Wide Default sharing setting for Accounts is Private and Contacts is Controlled by Parent.
- 100,000 contacts have account data in the ERP system, but do not have corresponding Accounts in Salesforce.
An Architect needs to design the solution so that the sales team can see the contacts and so that there are no performance issues.
What should the Architect do?

Universal Containers has a Private Sharing Model for the Opportunity object. Sales Rep A at Universal Containers created the Opportunity record and then transferred ownership of the Opportunity record to Sales Rep B.
Both Sales Rep A and B have the same role in the Role Hierarchy.
What access will Sales Rep A have to the Opportunity after the transfer?