DNS and BIND, Fourth Edition
O'Reilly & Associates, April, 2001.

Cisco CCNA Exam #640-607 Certification Guide (3rd Edition)
Cisco Press, 05 April, 2002.

CCNA: Cisco Certified Network Associate Study Guide (3rd Edition)
Sybex, June, 2002.

CCNA Virtual Lab, Gold Edition
Sybex, 15 June, 2001.

Practical TCP/IP: Designing, Using, and Troubleshooting TCP/IP Networks on Linux and Windows
Addison Wesley Professional, 30 January, 2003.

Internetworking with TCP/IP Vol.1: Principles, Protocols, and Architecture (4th Edition)
Prentice Hall, 18 January, 2000.

TCP/IP Network Administration (3rd Edition; O'Reilly Networking)
O'Reilly & Associates, April, 2002.

The Protocols (TCP/IP Illustrated, Volume 1)
Addison-Wesley Pub Co, January, 1994.

CCNP Study Guide Kit
Sybex, 08 November, 2002.