Two companies wish to share electronic inventory and purchase orders in a supplier and client
relationship. What is the BEST security solution for them?

A.
Write a Service Level Agreement (SLA) for the two companies.

B.
Set up a Virtual Private Network (VPN) between the two companies.

C.
Configure a firewall at the perimeter of each of the two companies.

D.
Establish a File Transfer Protocol (FTP) connection between the two companies.