Which of the following enhances the security of a firm's database management system by specifying the type of information that a user can obtain?
A. Search engine
B. Access matrix
C. Main server
D. Intranet
Answer: B
Which of the following enhances the security of a firm's database management system by specifying the type of information that a user can obtain?
A. Search engine
B. Access matrix
C. Main server
D. Intranet
Answer: B