________ are cell phones with wireless connections to the Internet.

A(n) ________ oversees the communications infrastructure of a company

Fill in the blank(s) with correct word

Suppose a per-subject access control list is used. Deleting an object in such a system is inconvenient because all changes must be made to the control lists of all subjects who did have access to the object. Suggest an alternative, less costly means of handling deletion

What will be an ideal response?