2.1 WAN Technologies Overview (CCNA 4: Chapter 2: Connecting Networks)
Chapter 2: Objectives Describe the purpose of a WAN. Describe WAN operations. Describe WAN services available. Compare various private WAN technologies. Compare various public WAN technologies. Select the appropriate WAN protocol and service for a specific network requirement. Chapter 2: Overview This chapter: Introduces WAN standards, technologies, and purposes. Describes selecting the appropriate WAN technologies, services, and devices to meet the changing business requirements of an evolving enterprise.

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2.2 Selecting a WAN Technology (CCNA 4: Chapter 2:Connecting Networks)

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