A custom field is made Read only from the Field level security and Required from Page layout. The Field will be:

Which three standard chart types can be placed on a Salesforce dashboard?
Choose 3 answers

Ursa Major Solar's default, organization-wide sharing for accounts is set to Public Read/Write. The Administrator needs to ensure that Marketing never modifies an Account record.
Which action should the Administrator take to accomplish this goal?

Can a user restrict access with the help of the sharing rules?

What is a valid organization -wide default option for the Account object?