Which two of the following is the class being discussed?

You are employed as a developer at ABC.com. ABC.com has a single Active Directory domain,
named ABC.com.
You are in the process of running a training exercise. You are discussing a class of the Microsoft.
SharePoint namespace that identifies a single role definition, incorporating a name, description,
management properties, and a set of rights.
Which two of the following is the class being discussed?

A.
The SPFieldTypeDefinitionCollection class.

B.
The SPRoleDefinitionBindingCollection class.

C.
The SPFieldTypeDefinitionCollection class.

D.
The SPRoleDefinition class.

Explanation: