Which statement correctly describes the functionality of the getCallerPrincipal() method of the
EJBContext interface?
A.
The getCallerPnncipal() method returns the identity of a caller of an EJB method
B.
The getCallerPnncipal() method returns a reference to the role to which an EJB user is
assigned.
C.
The getCallerPnncipal() method returns a reference to the security context for an EJB user.
D.
The getCallerPnncipal() method is used to provide authentication services for an EJB.