Which of the following is correct about emp used in the

Which of the following is correct about emp used in the declaration given below ?

typedef enum employ {Engineer, Doctor, Manager} emp;

1. It is a typedef for enum employ.
2. It is a variable of type enum employ.
3. The statement is erroneous.
4. It is a structure.
5. It is one of the elements of enum employ.

A typedef gives a new name to an existing data type.
So emp is a new name for enum employ.