Rare book Denise Donohue, CCIE No. 9566, is a senior solutions architect for ePlus Technology, a Cisco Gold partner. She works as a consulting engineer, designing networks for ePlus’ customers. Prior to this role, she was a systems engineer for the data consulting arm of SBC/AT&T. She has co-authored several Cisco Press books in the areas of route/switch and voice. Denise has worked as a Cisco instructor and course director for Global Knowledge and was a network consultant for many years. Her areas of specialization include route/switch, voice, and data center. Brent Stewart , CCNP®, CCDP®, CCSI, MCSE, is the manager of Connectivity Services at CommScope. He is responsible for designing and managing a largescale worldwide voice, video, and data network. Previously he was a course director for Global Knowledge and participated in the development of BSCI with Cisco and has written and taught extensively on CCNA® and CCNP. Brent lives in Hickory, NC, with his beautiful wife, Karen, and their mischievous children Benjamin, Kaitlyn, Madelyn, and William. Used Book in Good Condition