This chapter covers the following exam topics:
2.2. Describe classic Ethernet fundamentals
2.2.d. MAC address table
Most every enterprise computer network can be separated into two general types of technology: local area networks (LAN) and wide area networks (WAN). LANs typically connect nearby devices: devices in the same room (whether a large data center or a small office), in the same building, or in a campus of buildings. In contrast, WANs connect devices that are typically relatively far apart. Together, LANs and WANs create a complete enterprise computer network, working together to deliver data from one device to another.
Many types of LANs have existed ...