Adapted from an article originally published on the Internet by Greg Stanley, MCP; rewritten by Beau Sanders; this article is written to help students who need a system to answer subnetting questions for certification exams or college networking courses, where calculators and/or tip sheets are not allowed; the writer assumes that the reader is familiar with subnetting theory and knows how to count in binary at least to 16 bits. This article was last revised on November 4, 2018.
Excerpt from MCSE Guide to Microsoft® Windows 2000® Networking Certification Edition, written by Kelly Caudle, Walter J. Glenn, and James Michael Stewart; published by Course Technology; Errata: This article was written prior to the change allowing the first and last subnets in an incremental range to be used. This document was revised on November 4, 2108 to reflect the change allowing the first and last subnets in an incremental range to be used.
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