Get ready for Cisco's entry-level networking certification CCENT exam 640-822If you're preparing for Cisco certification, your road starts with CCENT Exam 640-822 ICND1. This volume covers everything you need to know! You'll learn networking basics and how to work with Cisco devices, routers, switches, and more. With over 600 pages, plus dozens of review questions, this complete guide will help you make the grade.Discover CCENT certification — find out what the certification involves and what to expect on the examNetworks and Cisco devices — learn networking basics, all about ports, and how to configure interfaces and services such as DHCP and NATData routing — explore static routing, dynamic routing protocols, and how to control the routing process with the routing tableBe prepared — learn basic troubleshooting steps and commands you can use on Cisco devicesCast a wider net — become familiar with network security, security best practices, and wide area networks (WANs)Open the book and find:Basic facts of networkingIntroduction to TCP/IPHints for using the Cisco IOSStep-by-step description of the routing processA guide to basic configurationTroubleshooting adviceExam tips for each topicAn exam-objective mapping tableDetailed examples of subnetting