Which of the Following Is NOT True in Regard to Back-End

Which of the following is NOT true in regard to back-end databases?

A) The back-end database cannot be on a shared drive with limited file permissions.
B) The back-end database must allow the front-end database the ability to add and delete data to its tables.
C) The back-end database can be stored in a central location where a company's technical support can ensure the data are protected and backed up regularly.
D) Back-end databases allows the user,if given proper permissions,to modify the file to include objects for their individualized use.