Salesforce Certified Sharing and Visibility Architect Exam Practice Questions (P. 3)

The architect has a requirement to create a criteria-based sharing rule based on the customer Social Security number. However, when setting up the rule in Contact Sharing, the field is not shown on the list of available fields.
What might cause this?

What should a Salesforce architect recommend to make sure that users that gained access to a custom object record through Apex managed sharing do not lose access to it when its owner is changed?

The sales managers at Universal Containers (UC) requested their teams to define each user’s role on their accounts in order to provide an easy way to establish accountability and collaboration. Sales managers also requested that sales associated should only get the following permissions:
Read access to the accounts.
Read access to cases related to the accounts.
No access to deals related to the accounts.
The sales associates may be granted access to opportunities when needed.
Assuming the overall sharing model of the organization is private and no sharing rules are configured on the account object. How can an Architect achieve these requirements?

Universal Containers (UC) has implemented Customer Community with customer community plus licenses for its distributors. Some distributors requested granting specific community users (agents) to view cases submitted by other agents of the same distributor.
Which feature only supports these requirements?

Universal Containers (UC) uses a custom Lightning component with an Apex class to display shipment information (custom object, private OWD). UC sales managers are complaining about two important points:
Shipment records that belong to their teams can be seen by other users.
Shipment amount should be visible only by managers, but sales reps are able to view it.
Which two features did the development team miss that is causing the problems? (Choose two.)