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Chapter 2: Connecting to the WAN

  • 2.0 Connecting to the WAN
    • 2.0.1 Introduction
      • 2.0.1.1 Introduction
      • 2.0.1.2 Class Activity - Branching Out
  • 2.1 WAN Technologies Overview
    • 2.1.1 Purpose of WANs
      • 2.1.1.1 Why a WAN?
      • 2.1.1.2 Are WANs Necessary?
      • 2.1.1.3 Evolving Networks
      • 2.1.1.4 Small Office
      • 2.1.1.5 Campus Network
      • 2.1.1.6 Branch Networks
      • 2.1.1.7 Distributed Network
      • 2.1.1.8 Activity - Identify WAN Topologies
    • 2.1.2 WAN Operations
      • 2.1.2.1 WANs in the OSI Model
      • 2.1.2.2 Common WAN Terminology
      • 2.1.2.3 WAN Devices
      • 2.1.2.4 Circuit Switching
      • 2.1.2.5 Packet Switching
      • 2.1.2.6 Activity - Identify WAN Terminology
  • 2.2 Selecting a WAN Technology
    • 2.2.1 WAN Services
      • 2.2.1.1 WAN Link Connection Options
      • 2.2.1.2 Service Provider Network Infrastructure
      • 2.2.1.3 Activity - Classify WAN Access Options
    • 2.2.2 Private WAN Infrastructures
      • 2.2.2.1 Leased Lines
      • 2.2.2.2 Dialup
      • 2.2.2.3 ISDN
      • 2.2.2.4 Frame Relay
      • 2.2.2.5 ATM
      • 2.2.2.6 Ethernet WAN
      • 2.2.2.7 MPLS
      • 2.2.2.8 VSAT
      • 2.2.2.9 Activity - Identify Private WAN Infrastructure Terminology
    • 2.2.3 Public WAN Infrastructure
      • 2.2.3.1 DSL
      • 2.2.3.2 Cable
      • 2.2.3.3 Wireless
      • 2.2.3.4 3G/4G Cellular
      • 2.2.3.5 VPN Technology
      • 2.2.3.6 Activity - Identify Public WAN Infrastructure Terminology
    • 2.2.4 Selecting WAN Services
      • 2.2.4.1 Choosing a WAN Link Connection
      • 2.2.4.2 Choosing a WAN Link Connection, cont.
      • 2.2.4.3 Lab - Researching WAN Technologies
  • 2.3 Summary
    • 2.3.1 Summary
      • 2.3.1.1 Class Activity - WAN Device Modules
      • 2.3.1.2 Summary
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