The PIX emulator covers much of the certification required for the PIX/ASA-related material. it follows the 642-522/523 Securing Networks with PIX and ASA (SNPA). The following shows some of the challenges for PIX V6 and V7:
and an outline of the challenges:
and a sample lecture on PIX/ASA:
For router security:
This simulator covers most of the features of the VPN Web Interface. VPN Web Demo
Security involves a great deal of fundamental knowledge. The following gives presentations on key fundamental areas:
Introduction to Security LinkTest.
and some academic material on security:
Academic material Link.