Book Image

CompTIA Network+ Certification Guide

By : Glen D. Singh, Rishi Latchmepersad
Book Image

CompTIA Network+ Certification Guide

By: Glen D. Singh, Rishi Latchmepersad

Overview of this book

CompTIA certified professionals have always had the upper hand in the information technology industry. This book will be your ideal guide to efficiently passing and achieving this certification. Learn from industry experts and implement their practices to resolve complex IT issues. This book revolves around networking concepts where readers will learn topics like network architecture, security, network monitoring, and troubleshooting. This book will not only prepare the readers conceptually but will also help them pass the N10-007 exam. This guide will also provide practice exercise after every chapter where readers can ensure their concepts are clear. By the end of this book, readers will leverage this guide and the included practice questions to boost their confidence in appearing for the actual certificate.
Table of Contents (17 chapters)

IPv4 transmission types

On an IPv4 network, a host can communicate with other devices on the network by using the following transmission types:

  • Unicast: The unicast transmission type is where one host communicates with another host directly, such as a client and server, or what is better referred to as a peer-to-peer network. This is a one-to-one transmission:
  • Multicast: In a multicast transmission, a single host communicates with many other hosts on the network, but not all of them. This reduces the traffic on the network by sending the message to only those who need it. The devices that participate in multicast transmissions are called multicast groups. As mentioned earlier, the IPv4 Class D network range represents the multicast addresses 224.0.0.0 to 239.255.255.255:
  • Broadcast: In a broadcast transmission, a message is sent to all of the devices on the same network...