Chapter 6. Telecommunications and Network Security
Terms you’ll need to understand
✓ Address Resolution Protocol (ARP)
✓ Firewall
✓ Network Address Translation (NAT)
✓ The Open Systems Interconnect (OSI) model
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
Introduction
The telecommunications ...
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