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Introduction to Computer Networks and Cybersecurity by J. David Irwin, Chwan-Hwa Wu

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Chapter 6

The Data Link Layer and Physical Layer

The learning goals for this chapter are as follows:

  • Understand the function of the physical layer in a network interface or port
  • Understand the function of the link layer in the protocol stack, the services it provides and its implementation
  • Explore the inherent differences between point-to-point and broadcast links and the protocols that are used with each
  • Learn the classes of multiple access protocols and the manner in which each of them deals with collisions
  • Understand the importance of the MAC address and the translation role played by the Address Resolution Protocol (ARP)
  • Explore the DIXV2 and 802.3 frame structures and the length of the transmission frame when using Ethernet
  • Learn the format ...

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