Network Components
Whether you want to put together a LAN or connect a couple of LANs into a WAN, you need connectivity between the PCs and a way to handle communication. Computers connect to a network in one of two ways:
• Directly to a LAN via a cable from the computer to a LAN port
• Wirelessly to the LAN (this will be covered in Chapters 2 and 10)
A typical network client has a network adapter or network interface card (NIC) that connects to a cable that connects to a central network box, called a switch. Figure 1.5 shows a typical NIC.
FIGURE 1.5 A network interface card
Every NIC has a unique identifier called a media ...
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