TAILIEUCHUNG - NETWORK+ GUIDE TO NETWORKS, FOURTH EDITION - CHAPTER 7

WANs, Internet Access, and Remote Connectivity Identify a variety of uses for WANs Explain different WAN topologies, including their advantages and disadvantages Describe different WAN transmission and connection methods, including PSTN, ISDN, T-carriers, DSL, broadband cable, SONET, and wireless Internet access technologies Compare the characteristics of WAN technologies, including throughput, security, and reliability Describe the software and hardware requirements for remotely connecting to a network. | Network+ Guide to Networks, Fourth Edition Chapter 7 WANs, Internet Access, and Remote Connectivity Objectives Identify a variety of uses for WANs Explain different WAN topologies, including their advantages and disadvantages Describe different WAN transmission and connection methods, including PSTN, ISDN, T-carriers, DSL, broadband cable, SONET, and wireless Internet access technologies Compare the characteristics of WAN technologies, including throughput, security, and reliability Describe the software and hardware requirements for remotely connecting to a network Linux+ Guide to Linux Certification, Second Edition WAN Essentials Internet is largest WAN in existence Most WANs arise from need to connect buildings WANs and LANs similar in fundamental ways Differ at Layers 1 and 2 of OSI Model WANs typically send data over publicly available communications networks Network service providers (NSPs) Dedicated lines WAN link: connection between WAN sites (points) Linux+ Guide to

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