Simon Is in Charge of Network Security at a Medium-Sized

Multiple Choice

Simon is in charge of network security at a medium-sized company. His boss has asked him to give an overview of the company's network security to the board of directors. Simon tells the board that he uses a(n) ____ as an intermediary between a user and the Internet, ensuring security, administrative control, and caching service.

A) proxy server
B) firewall
C) router
D) hub