Joe works for a company that has a traveling sales force. The company has asked Joe to research a way for the sales force to have real-time information on the availability of its salable products. The company has an intranet application that allows it to see up-to-the minute information. The company does not want to make this information public.

What should Joe recommend?
a. VPN
b. Firewall
c. Access control list
d. MDM policies

Based on the information provided within the question it can be said that in order to make the company's actions safer and more anonymous they should use a VPN. This term refers to a Virtual Private Network, which allows individuals to share and receive data across a public network as if they were in a private network, from anywhere in the world that they choose. This makes it completely anonymous and safe.