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.