Ccnp Routing and Switching Switch 300 - 115 Official Cert Guide (With Dvd) About the Author David Hucaby, CCIE No. 4594, is a lead network engineer for the University of Kentucky, where he works with a large healthcare network based on the Cisco product lines. David holds bachelor’s and master’s degrees in electrical engineering from the University of Kentucky. He is the author of several Cisco Press titles, including CCNA Wireless Cert Guide, Cisco ASA, PIX, and FWSM Firewall Handbook, Second Edition; Cisco Firewall Video Mentor; and Cisco LAN Switching Video Mentor. David lives in Kentucky with his wife, Marci, and two daughters.