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CCENT/CCNA: ICND1 100-105 Certification Guide

You're reading from   CCENT/CCNA: ICND1 100-105 Certification Guide Learn computer network essentials and enhance your networking skills by obtaining the CCENT certification

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Product type Paperback
Published in Apr 2018
Publisher
ISBN-13 9781788621434
Length 362 pages
Edition 1st Edition
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Author (1):
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Bekim Dauti Bekim Dauti
Author Profile Icon Bekim Dauti
Bekim Dauti
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Toc

Table of Contents (18) Chapters Close

Preface 1. Introduction to Computer Networks FREE CHAPTER 2. Communication in Computer Networks 3. Introduction to Switching 4. Setting Up the Switch 5. Introduction to Routing 6. Setting up the Router 7. Networking Services and Maintenance 8. Network Troubleshooting 9. Studying and Preparing for ICND 1 (100-105) Exam 10. Other Books you may enjoy
Appendix A: Answers to Chapter Questions 1. Appendix B: Cisco Device Icons 2. Appendix C: Numbering Systems and Conversions 3. Appendix D: Boolean Algebra 4. Appendix E: Subnetting 5. Appendix F: Cisco Packet Tracer 6. Appendix G: Graphical Network Simulator-3 (GNS3)

Example—Class A subnetting

The 10.10.150.0/27 network is given. How many subnets and hosts are on this network?

11111111.11111111.11111111.11100000 - the subnet mask 255.255.255.224 represented in bits
11100000 - is the fourth octet in subnet mask 255.255.255.224
111 - is the network portion in the fourth octet 23 = 8 subnets
00000 - is the host portion in the fourth octet 25 - 2 = 32 - 2 = 30 hosts
0 to 31 - is the first subnet with 1 to 30 representing the range of available IP addresses for hosts
32 to 63 - is the second subnet with 33 to 62 representing the range of available IP addresses for hosts
........
224 to 255 - is the eighth subnet with 225 to 254 representing the range of available IP addresses for hosts
The first IP address on each subnet is reserved for network, and the last IP address on each subnet is reserved for broadcast.
...
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