Chapter 16

Wide Area Networks

THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • 1.4 Explain the characteristics and benefits of various WAN technologies
    • Fiber
      • SONET
      • DWDM
      • CWDM
    • Frame relay
    • Satellite
    • Broadband cable
    • DSL/ADSL
    • ISDN
    • ATM
    • PPP/Multilink PPP
    • MPLS
    • GSM/CDMA
      • LTE/4G
      • HSPA+
      • 3G
      • Edge
    • Dialup
    • WiMAX
    • Metro-Ethernet
    • Leased lines
      • T-1
      • T-3
      • E-1
      • E-3
      • OC3
      • OC12
    • Circuit switch vs packet switch
  • 1.7 Differentiate between network infrastructure implementations
    • WAN
    • MAN
    • LAN
  • 4.8 Given a scenario, troubleshoot and resolve common WAN issues
    • Loss of internet connectivity
    • Interface errors
    • Split horizon
    • DNS issues
    • Interference
    • Router configurations
    • Customer premise equipment
      • Smart jack/NIU
      • Demarc
      • Loopback
      • CSU/DSU
      • Copper line drivers/repeaters ...

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