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)

Common network service issues

Many issues technicians encounter while troubleshooting networks are limited to particular client hosts. In these cases, technicians notice that all of the other clients on the network are operating properly, while the client in question exhibits issues. In these cases, technicians should examine the network configuration on the client machine itself, paying special attention to the possibility of the following:

  • IP address duplication: In many networks with poor documentation practices, IP addresses may be reused by multiple clients, resulting in duplicate IPs on the network and poor/non-existent connectivity for the clients. For this reason, many technicians ping the IP that they intend to use before they configure the IP on a machine, in order to check whether any other hosts are utilizing the intended address. However, there are many firewalls...