ZYX COMPANY Observe the ER Diagram for the ZYX COMPANY

Multiple Choice

ZYX COMPANY
Observe the ER diagram for the ZYX COMPANY:

This ER diagram will be used for the following questions citing ZYX Company ER Diagram.
-Which of the following is true according to the ZYX Company ER diagram?

A) We can keep track of customers that are not served by any employees
B) We can keep track of customers that are not signed up by any employees
C) We can keep track of customers that are served by multiple employees
D) We can keep track of customers that are not referred by any customers