There is a custom object, Job, that has OWD set to "Private". It contains extremely private information that should only be available to the record owner and the hiring manager that is associated through a user Lookup field on the object.
What is the best solution to grant access?

Universal Containers (UC) implemented Sales Cloud and requested that sales agents have access to products the company sells and be able to create opportunities for its customers.
What should the Organization-Wide Defaults (OWD) be for pricebook?

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?

Ursa Major Solar needs an Architect to develop Apex Managed Sharing code for the custom Job object. The sharing settings for the Job object are set to Private.
The Architect is assigning level for the record.
Which two lines of code will cause a DMLA exception on insert to the database? (Choose two.)

Universal Containers provides 24x7 support for its customers worldwide using call centers in three different countries with each one covering an 8-hour shift in different time zones. Service reps in a call center have access to the same information but only during their local working hours.
Which feature in Salesforce controls access for specific login hours?