Anthony Bruno (CCIE No. 2738) is a Consulting Director with BT with 25+ years of networking experience. He has consulted for many enterprises and service providers to design, implement, and optimize large-scale networks, and now leads architecture and design teams in building next-generation networks. His many certifications include CCDP, PMP, CCNP Security, and ITILv3 Foundation. He is Associate Professor for the University of Phoenix-Online, teaching networking courses for the College of Information Systems and Technology. He is also primary author of four editions of CCDA Official Certification Guide. Steve Jordan (CCIE No. 11293 R&S, Storage Networking, Data Center), Senior Solution Architect at SHI, has nearly two decades of professional networking experience. For the past decade, he has specialized in data center technologies. He has worked with many enterprise and service provider customers in both pre-sales and post-sales engineering and architecture roles, and worked at several Cisco Gold Partners. His additional certifications include VMware VCIX-NV, VCP-NV, VCP4-DCV, VCP5-DCV, CCDP, CCNP, and CCNP Voice.