Anthony Bruno, CCIE No. 2738, is a Principal Consultant with International Network Services (INS) and a networking instructor for the University of Phoenix-Online. He has an MSEE and a BSEE. Anthony is the co-author of the CCDA Exam Certification Guide, the author of CCIE Routing and Switching Exam Certification Guide, and a contributor on Network Design and Case Studies, Second Edition (Cisco Press).