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Acing the CCNA Exam, Volume 1
book

Acing the CCNA Exam, Volume 1

by Jeremy McDowell
July 2024
Beginner
608 pages
18h 25m
English
Manning Publications
Audiobook available
Content preview from Acing the CCNA Exam, Volume 1

4 The TCP/IP networking model

This chapter covers

  • What networking models are and why we need them
  • The OSI model
  • The TCP/IP model and its layers
  • How each layer plays a role in moving data across a network
  • Data encapsulation and de-encapsulation

In the previous chapter, we looked at Ethernet; specifically, we looked at the types of physical connections defined by the Ethernet standard. Ethernet also defines rules for how devices can communicate over those connections. However, Ethernet alone isn’t sufficient for two computers to communicate over a network (e.g., for a PC to retrieve a web page from a server over the internet). Communicating over a network is a complex process, and it requires a variety of protocols, each of which performs specific ...

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Publisher Resources

ISBN: 9781633437678Publisher SupportPublisher WebsiteErrata Page