Your database has been split. What are the contents of the front end and the back end? What are two distinct advantages of splitting a database? What is a disadvantage?

a) Front end - User interface, Back end - Data storage
b) Front end - Data storage, Back end - User interface
c) Advantages - Improved security, Enhanced performance; Disadvantage - Increased complexity
d) Advantages - Simplified management, Streamlined integration; Disadvantage - Limited scalability