O'Reilly logo

A+, Network+, Security+ Exams in a Nutshell by Pawan K. Bhardwaj

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Network+ Exam Highlighters Index

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.

Media and Topologies

This subsection covers a summary of highlights from the "Media and Topologies" section in the Network+ Exam Study Guide.

Types of networks
  • 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.

Centralized and decentralized computing
  • 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.

Peer-to-peer network
  • Every computer is responsible for processing and controlling access to its resources. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required