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Computer and Communication Networks, Second Edition by Nader F. Mir

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Chapter 4. Local Area Networks and Networks of LANs

A local area network (LAN) is a small interconnection infrastructure that typically uses a shared transmission medium. Because of such factors as the volume of traffic, the level of security, and cost, the network structure in a local area network can be significantly different from that for a wide area network. This chapter focuses on the fundamentals of local area networks and describes the internetworking concept at the LAN level. Major topics are as follows:

LANs and basic topologies

LAN protocols

Networks of LANs

Address conversion protocols

Spanning-Tree Protocol (STP)

Virtual LANs (VLANs)

Wireless LANs

IEEE 802.11 wireless LAN standard

Case study: DOCSIS, a cable TV ...

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