"This book is a consice summary of the work of Cisco Press CCNA authors. Wendell Odom's Cisco CCENT/CCNA ICND1 100-101 official cert guide and Anthony Sequeira's Interconnecting Cisco Network devices, part 1 (ICND1) foundation learning guide, were two of my main sources.
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31 days before your CCENT certification exam by Allan Johnson. ISBN 9781587204531. Published by Cisco Press in 2014. Publication and catalogue information, links to buy online and reader comments.
