CCNA Exam Certification Guide 电子书下载

书名：CCNA Exam Certification Guide

CCNA Exam Certification Guide is a comprehensive study tool for CCNA Exam #640-407. Written by a CCIE and Certified Cisco Systems Instructor and reviewed by Cisco technical experts, CCNA Exam Certification Guide helps you understand and master the exam objectives. Section-by-section objective lists keep you focused on the material you need to study. The instructor-developed elements and techniques lead you to maximize your retention and recall of exam topics, and scenario-based exercises validate your mastery of the exam objectives. Along with the book, practice questions on the companion CD-ROM enable you either to build and take random sample tests or to focus on an objective area of your choice.