About the Technical Reviewers

Bill Wagner works as a Cisco Certified Systems Instructor for Mentor Technologies. He has 22 years of computer programming and data communication experience. He has worked for corporations and companies such as Independent Computer Consultants, Numerax, McGraw-Hill, and Standard and Poors. His teaching experience started with the Chubb Institute, Protocol Interface, Inc., and Geotrain. Currently he teaches at Mentor Technologies.

Steve Wisniewski is a Systems Engineer for Fujitsu Network Communications. Steve has authored a book titled Network Administration from Prentice Hall and has edited several other Cisco Press books. Steve resides with his wife Ellen in East Brunswick, New Jersey.