1. How Encryption for Strong Security Works 1. Central servers 2. Router 3. Firewall 4. VPN

2. Central Servers File encryption protects files in central servers and mass storage devices from being read or changed.

3. Router A router distributes Digital computer information that is contained within a data packet.

4. Firewall A firewall is a fire- resistance rated wall assembly intended to slow the spread of fire from one side to the other, and are certification listed.

5. VPN A VPN is a form of link encryption often used across a private network or the Internet.

6. References http://en.wikipedia.org/wiki/Main_Page