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This video, day 13 of my free CCNA complete course, is an introduction to subnetting, focusing on how to subnet Class C networks.

In this FREE and COMPLETE CCNA 200-301 course you will find lecture videos covering all topics in Cisco official exam topics list, end-of-video quizzes to test your knowledge, flashcards to review, and practice labs to get hands-on experience.

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0:00 Introduction
1:19 Things we'll cover
1:53 IPv4 Address Classes
6:12 IPv4 Address Assignment
9:19 CIDR
12:01 Number of usable addresses per subnet
17:46 CIDR: /31
20:12 CIDR: /32
21:10 CIDR Notation
22:27 Subnetting Scenario
26:19 Quiz

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