Ethernet, Network Access, and IPv4 Addressing

Networking    |    Intermediate
  • 27 videos | 47m 43s
  • Includes Assessment
  • Earns a Badge
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Technically, the network interface layer of the TCP/IP model is not described in the family of protocols. But an IP packet cannot travel between devices without using physical media and protocols to access that media. In this course, you'll review how to identify physical layer connectivity options. You'll learn three types of MAC addresses and how to identify different Ethernet frame formats and modifications. You'll also explore the header fields of Ethernet and how they are used, as well as modifications of the Ethernet frame format. Finally, you'll learn about the use of protocol analyzers. In order for internetworking to work, there has to be a way to distinguish which network a device belongs to. This is accomplished with a form of addressing called logical addressing, which is presented by an IP address. In this course, you'll also learn the evolution of IP addressing from classical addressing through class-less addressing. You'll examine how network masking operates. Finally, you'll explore network address translation and the value of variable length subnet masking. This course was originally created by Global Knowledge (GK).


  • Recognize characteristics of the tcp/ip model's network interface layer
    Recognize characteristics and uses of mac addresses
    Recognize the components and purpose of the ethernet header
    Recognize the types of ethernet protocols
    Recognize the components and purpose of the ethernet frame
    Recognize how the ethernet frame format has evolved over time to meet emerging requirements
    Recognize tools that can be used to perform protocol analysis
    Recognize the requirements of ip addressing when it was separated from tcp and what the address represents
    Recognize ip address characteristics
    Recognize the purpose of dotted decimal notation and how it is accomplished
    Describe classful addressing
    Describe class a classful addressing
    Describe class b classful addressing
    Describe class c classful addressing
  • Describe class d classful addressing
    Describe class e classful addressing
    Recognize the ip address and address ranges that are reserved and what they are reserved for
    Recognize the purpose of the network mask in routing packets and how to apply boolean logic to determine the network part of an address
    Compare addresses using the network mask to determine if they are in the same network
    Recognize how a flat network was created when classful addressing was a common practice
    Recognize the limitations of classful addresses
    Recognize how to subnet classful address blocks
    Recognize the purpose of private addressing
    Recognize how network address translation allows private ip addresses to be used on the public internet
    Recognize how variable-length subnet masking (vlsm) allows you to subdivide subnets
    Describe low classless inter-domain routing (cidr) helps solve classful addressing issues
    Recognize how cidr represents the division between the network and host parts of an ip address



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