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31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition by Allan Johnson

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Day 24. The IPv4 Address

CCENT 100-101 ICND1 Exam Topics

Image Describe the operation and necessity of using private and public IP addresses for IPv4 addressing.

Key Topics

Today, we focus on reviewing the structure of an IPv4 address, the classes, as well as private and public IPv4 addresses. Tomorrow, we will review IPv4 subnetting.

IPv4 Addressing

Although IPv6 is rapidly permeating the networks of the world, most networks still have a large IPv4 implementation. Especially on private networks, migration away from IPv4 will take years to complete. So IPv4 and your skill in its use are still in demand.

Header Format

To facilitate the routing ...

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