Bill Heldman

William Heldman is an assistant IT director for a large municipal government in Colorado. His most recent book is MCSE: Windows 2000 Network Infrastructure Design (Sybex).
Email: bheldman@home.com

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Author Articles

Hanging Out with the Classless Crowd

By Bill Heldman, 12/20/2000

Learn how to subnet your network and master classless subnet notation.

Binary Numbers and Subnet Masks

By Bill Heldman, 12/20/2000

This refresher course on binary numbers will help you understand how subnet masks work.

Network Monitor Basics

By Bill Heldman, 05/01/2000

Understand Network Monitor's basic capabilities, learn how to use its features, and discover Network Monitor 2.0's new features.