CCNA: Cisco Certified Network Associate Study Guide
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CCNA: Cisco Certified Network Associate Study Guide Overview
Cisco Systems continues to dominate the internetworking hardware market with a more than 80% share of the routers used on the Internet. The Cisco Certified Network Associate (CCNA) certification is the first-tier certification in Cisco's Network Support and Communications & Services tracks and by far its most popular. Cisco recently refreshed the CCNA exam, assigning it a new exam number, 640-607, and expanding the question pool. In addition to standard multiple-choice questions, they've now added simulation and drag-and-drop format questions. The objectives, however, remain the same.
CCNA: Cisco Certified Network Associate Study Guide Specifications
An 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
