What should a company concerned about protecting its data warehouses and employee privacy might consider installing on the network perimeter to prevent direct connections between the internal network and the Internet?

proxy server

Explanation:

A proxy server as used in computer networking is simply an appliance acting as a gateway for requests from users that seek for resources from servers providing those resources. They are known to provide different levels of privacy, security and functionality. However these levels are dependent on the need or company policy. Organizations that want to protect its data warehouses and employee privacy installs a proxy server on the network perimeter so that it acts as an intermediary server between the internal network and the internet.

answer; (c) series 3; i believe this is the correct answer. good luck