راهنمای مطالعه همکار شبکه دارای گواهی CCNA سیسکو

Amazon.comAn impressive offering, CCNA: Cisco Certified Network Associate Study Guide does a terrific job of making networking basics approachable. Though written for those already familiar with technology, it nonetheless manages to clearly explain what makes networks work without undercutting their inherent complexity. Authors Lammle and Chellis set the stage by going through such fundamentals as local area network (LAN) devices, the Open Systems Interconnection (OSI) model, and various data transport protocols. From there, the book delves into such topics as network congestion – what causes it and what to do about it – Internet protocol (IP) addressing and subnetting, interior routing protocols, and basic routing configuration.As is characteristic of any quality study guide, each chapter ends with a summary followed by a mountain of review questions, which are good practice for the written CCNA exam. Answers are listed in one of the six appendices, which also cover AppleTalk and related Request for Comments (RFCs). In addition, this book contains a fantastic 116-page glossary – again, a terrific feature for networking newcomers. – Sarah L. Roberts-Witt – This text refers to an out of print or unavailable edition of this title.Book DescriptionThe best just keeps getting better! Cisco recently refreshed their CCNA exam (#640-607) and added new questions, including simulation and drag-and-drop formats along with the standard multiple-choice variety. The objectives, however, remain the same. Sybex and the world renowned Cisco authority, Todd Lammle, have taken this opportunity to enhance the best-selling CCNA: Cisco Certified Network Associate Study Guide, producing a 3rd edition with the aim of giving CCNA candidates the knowledge and hands-on skills they need for the challenging new exam. Building on the rock-solid instructional content found in previous editions, we’ve added Real-World Scenarios and Exam Essentials sections to the text to give you the “whys” and “whens” as well as the “hows. And in addition to the advanced testing engine with sample simulation questions, five bonus exams, electronic flashcards, and PDF version of the book found on the CD, we’ve added a Router Fundamentals Simulator that allows you to practice using key Cisco IOS commands on a virtual router configuration screen. With all the information and study tools included in this new edition at your disposal, you’ll be well on your way to attaining your CCNA.Book InfoExam prep guide for Cisco’s new CCNA Exam 640-607. Includes assessment testing to focus and direct your studies. Provides in-depth coverage of official exam objectives. CD-ROM included.From the Back CoverHere’s the book you need to prepare for Cisco’s new CCNA exam, 640-607. Written by a Cisco internetworking expert who knows exactly what it takes to pass the test, this Study Guide provides:Assessment testing to focus and direct your studies In-depth coverage of official exam objectives Configuration practice with a Router Fundamentals Simulator Hundreds of challenging practice questions, in the book and on the CDAuthoritative coverage of all exam objectives, including: Understanding the OSI Reference Model Using Cisco IOS commands Adding RIP and IGRP routing protocols Working with TCP/IP Configuring Frame Relay, LMIs, maps, and subinterfaces Understanding WAN configurations and services Configuring and verifying IP addresses Working with ISDN protocols, function groups, reference points, and channels Controlling router passwords Creating and managing standard and extended access lists Logging into a router Backing up and loading a Cisco IOS software imageFeatured on the CD The enclosed CD is packed with vital preparation tools and materials, beginning with the Sybex EdgeTest testing engine for the new CCNA exam, 640-607. To help you prepare for Cisco’s simulation questions, we’ve included the Router Fundamentals Simulator, complete with hands-on labs. You’ll also find an advanced testing engine loaded with hundreds of practice questions, sample simulation questions, and five bonus exams – it lets you test yourself chapter by chapter or according to objectives. Finally, we’ve added electronic flashcards for your PC, Pocket PCs, and Palm handhelds, as well as an electronic version of the entire book.About the AuthorTodd Lammle is a world-renowned Cisco authority with over twenty years experience working with LANs and WANs. He is president of GlobalNet Training Inc., a networking training firm based in Dallas, and of RouterSim LLC, a Colorado software company.