Chapter 5. Network Design Elements and Network Threats
This chapter covers the following subjects:
• Network Design—This section discusses network design elements such as hubs, switches, and routers, and how to protect those devices from attack. It also talks about network address translation, private versus public IP addresses, and the private IP ranges. Afterward you learn about network zones and interconnections, for example, intranets and extranets, demilitarized zones, LANs, and WANs. Finally, you learn how to defend against attacks on your virtual local area networks, IP subnets, and telephony devices.
• Ports and Protocols—In this section, you learn the ports and their associated protocols you need to know for the exam and how to secure ...
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