© 2006 Cisco Systems, Inc. All rights reserved. SND v Introduction to Network Security Policies Module Self-Check
© 2006 Cisco Systems, Inc. All rights reserved. SND v Classes of Attacks Against a Network Private Classified Network Environment Public Local Network Environment Private Local Network Environment Site Boundary PBX Connections to Other Corporate Offices PSTN Internet Private WAN Classified Networks PSTN = public switched telephone network
© 2006 Cisco Systems, Inc. All rights reserved. SND v Classes of Attacks Against a Network Private Classified Network Environment Public Local Network Environment Private Local Network Environment Site Boundary PBX Connections to Other Corporate Offices A P P P P P PSTN Internet Private WAN Classified Networks A A A