CCENT Cisco Certified Entry Networking Technician Study Guide - ICND1 Exam 640-822 Author:Todd Lammle Cisco dominates the internetworking hardware market with a more than 80% share of the routers used on the Internet. The Cisco Certified Entry Networking Technician (CCENT) certification is Cisco's foundation-level networking certification, and the starting point for many new CCNAs, by far Cisco's most popular certification. This book will provid... more »e in-depth coverage of every exam objectives. It addition, it offers expanded coverage on key topics reflected in the exam. Finally, readers will have access to additional study tools, including the bonus practice exams, electronic flashcards, and searchable PDF of a Glossary of Terms.« less