A Consultant Is Designing a New Network for a Company

Multiple Choice

A consultant is designing a new network for a company that will be hosting its own email and web servers. The company wants to ensure there are separate devices to protect the internal network from the DMZ and the DMZ from the Internet. Which of the following would provide this protection?

A) The installation of a firewall with multiple interfaces for the Internet to the DMZ and the LAN.
B) The in-line installation of two firewalls to divide the Internet to the DMZ and the DMZ to the LAN.
C) The installation of two switches to divide the Internet from the LAN and the LAN to the DMZ.
D) The installation of a switch from the Internet to the DMZ and a firewall between the DMZ and the LAN.