Which of the following is the MOST secure and economical method for connecting a private network over the Internet in a small- to medium-sized organization?

A. Virtual private network

B. Dedicated line

C. Leased line

D. integrated services digital network

Explanation:

The most secure method is a virtual private network (VPN), using encryption, authentication and tunneling to allow data to travel securely from a private network to the internet. Choices B, C and D are network connectivity options that are normally too expensive to be practical for small- to medium-sized organizations.