Chapter 6. Telecommunications and Network Security

Terms you'll need to understand:

  • Denial of service (DoS)

  • Address Resolution Protocol (ARP)

  • Domain Name Service (DNS)

  • Firewalls

  • Network Address Translation (NAT)

  • IP Security (IPSec)

  • The Open Systems Interconnect (OSI) model

  • Transmission Control Protocol/Internet Protocol (TCP/IP)

  • Local area networks (LAN)

  • Wide area networks (WAN)

Techniques you'll need to master:

  • Understand the various types of attacks against networks

  • Understand the differences between LAN and WAN topologies

  • Describe and define the OSI model and its layers

  • Describe the four layers of the TCP/IP stack

  • Understand the function and purpose of VPNs


The telecommunications and network security domain addresses communications and network security. ...

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