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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
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Bekim Dauti
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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)

Summary

We summarize the chapter with the following points:

  • DHCP is a protocol that dynamically assigns IP addresses to devices on a network.
  • IP addresses that are assigned to devices are located in the DHCP pool.
  • DORA is the acronym that explains how DHCP works.
  • NAT translates private IPv4 addresses to public IPv4 addresses.
  • A stub network is a network that has one way to enter into the network and another way to exit the network:
    • Inside the local address is the address of the device that is being translated by NAT.
    • Inside the global address is the address of the inside interface of the NAT-enabled router.
    • Outside the local address is the address of the NAT-enabled router that connects the LAN.
    • Outside the global address is the address of the NAT-enabled router that connects to internet.
    • One-to-one translation, known also as static address translation (static NAT), translates...
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