Take your first step to CCNA certificationFrom bestselling author Todd Lammle comes the most up-to-date book on CCNA exam 640-821, the first exam in Cisco's popular two-exam Cisco Certified Network Associate (CCNA) certification track. Understand networking for the small or home office market, prepare for the exam, and acquire the skills you need with this comprehensive guide. Inside you'll find:Complete coverage of all exam objectives in a systematic approach, so you can be confident you're getting the instruction you needPractical hands-on exercises to reinforce critical skillsReal-world scenarios that show you life beyond the classroom and put what you've learned in the context of actual job rolesChallenging review questions in each chapter to prepare you for exam dayExam Essentials, a key feature at the end of each chapter that identifies critical areas you must become proficient in before taking exam 640-821A handy tear card that maps every official exam objective to the corresponding chapter in the book, so you can track your exam prep objective by objectiveLook inside for complete coverage of all exam objectives.

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