CCNA Discovery 1, Chapter 3
3.1.6: As mentioned on Day 28, a network can be viewed from a physical and logical topology. A physical topology represents the location of the hardware, and the logical topology represents how the devices use the network.
3.5.5: A local-area network (LAN) can be one network in a single physical location or multiple networks under one administrative control. LANs today often represent the logical grouping of hosts for a single organization. Network administrators typically refer to the network they maintain in their building (or buildings) as a LAN or private intranet. LANs also support high data transfer rates over Ethernet or wireless protocols in a smaller geographic area. A wide-area network (WAN) provides relatively ...
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