Understanding Networking Concepts
The topic of networking is the most technical in this book. Fortunately, OS X manages most of the details of networking your MacBook Pro for you, but a number of concepts are helpful to understand as you create your own network.
Simply put, a network is two or more devices connected. Its purpose is to enable the devices on it to communicate with each other. This is done using various protocols to provide different services. For example, the Transmission Control Protocol/Internet Protocol (TCP/IP) is the basic “language” that devices speak over the Internet. There are other protocols for a variety ...