LAN and WAN Communication / OSI Model
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INTRODUCTION
LAN and WAN interconnect through the Open Systems Interconnection (OSI) reference model. Without this model, which provides LAN and WAN communication guidelines developed more than 25 years ago, network communications might well be in chaos today. Following lesson also discusses the key LAN transmission methods that enable users to communicate in an orderly way. Finally, you learn about WAN topologies and transmission methods.
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