Skip to Content
CCNA 200-301 Official Cert Guide Library, 2nd Edition
book

CCNA 200-301 Official Cert Guide Library, 2nd Edition

by Wendell Odom, Jason Gooley, David Hucaby
July 2024
Intermediate to advanced
1854 pages
63h 6m
English
Cisco Press
Content preview from CCNA 200-301 Official Cert Guide Library, 2nd Edition

Chapter 13

Analyzing Subnet Masks

This chapter covers the following exam topics:

1.0 Network Fundamentals

1.6 Configure and verify IPv4 addressing and subnetting

The subnet mask used in one or many subnets in an IP internetwork says a lot about the intent of the subnet design. First, the mask divides addresses into two parts: prefix and host, with the host part defining the size of the subnet (that is, the number of hosts in the subnet). Then, the class (A, B, or C) further divides the structure of addresses in a subnet, breaking the prefix part into the network and subnet parts. The subnet part defines the number of subnets that could exist inside one classful IP network, assuming that one mask is used throughout the classful network.

The subnet ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

CCNA 200-301 Official Cert Guide Library

CCNA 200-301 Official Cert Guide Library

Wendell Odom, Bradley Edgeworth
CCNP and CCIE Enterprise Core ENCOR 350-401 Official Cert Guide, 2nd Edition

CCNP and CCIE Enterprise Core ENCOR 350-401 Official Cert Guide, 2nd Edition

Brad Edgeworth, Ramiro Garza Rios, David Hucaby, Jason Gooley

Publisher Resources

ISBN: 9780138221539