What is the recommended architecture in terms of server placement?

You need to deploy a new web-based software package for your organization. The package requires three separate servers and needs to be available on the Internet.

What is the recommended architecture in terms of server placement?
A . All three servers need to be placed internally
B . A web server facing the Internet, an application server on the internal network, a database server on the internal network
C . A web server and the database server facing the Internet, an application server on the internal network
D . All three servers need to face the Internet so that they can communicate between themselves

Answer: B