In this section, I’ve attempted to compile the facts within the exam’s subject areas that you are most likely to need another look at—in other words, the areas of study that you might have highlighted while reading the Study Guide. The title of each highlighted element corresponds to the heading title in the Network+ Exam Study Guide, so, if you have a question about a highlight, you can easily refer back to the corresponding section in the Study Guide. For the most part, the entries under a heading are organized as term lists with main points that you need to memorize for the exam.
This subsection covers a summary of highlights from the "Media and Topologies" section in the Network+ Exam Study Guide.
A local area network (LAN) connects computers in a single location.
A wide area network (WAN) connects LANs at different geographical locations.
A metropolitan area network (MAN) connects LANs in a campus or within a city.
A personal area network (PAN) connects devices located in close proximity.
In centralized computing, all processing is done on a single computer.
A client/server model is an example of centralized computing.
In decentralized computing, processing and resources are distributed on multiple computers.
A peer-to-peer network is an example of decentralized processing.
Every computer is responsible for processing and controlling access to its resources. ...