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CCNA Routing and Switching 200-125 Exam Cram, Fifth Edition by Anthony Sequeira

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About the Technical Reviewer

Keith Barker began as a network technician for Electronic Data Systems (EDS) in 1985 and has had experience in IT and networking for more than 30 years. Keith creates training for CBT Nuggets, is a Cisco CCIE in Route/Switch and Security, and has also earned certifications associated with VMware, Palo Alto, Check Point, ITIL, CCISP, and others. He can be reached through his Facebook page: Keith Barker Networking, on YouTube at Keith6783, or on Twitter @KeithBarkerCCIE.

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