As a final exam preparation tool, the CCNP Security SECURE 642637 Quick Reference provides a concise review of all objectives on the new CCNP Security SECURE exam (642-637). This eBook provides you with detailed, graphical-based information, highlighting only the key topics in cram-style format.   With this document as your guide, you will review topics on layer 2 security, Network Address Translation (NAT), Cisco IOS firewall, Cisco IOS IPS, VPNs, and Cisco network foundation protection. This fact-filled Quick Reference allows you to get all-important information at a glance, helping you to focus your study on areas of weakness and to enhance memory retention of essential exam concepts.