Ethernet LANs and Switching

Networking    |    Beginner
  • 38 videos | 1h 5m 22s
  • Includes Assessment
  • Earns a Badge
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The predominant technology that fuels network connections is Ethernet. Switching is the process of sending networking signals to the right destination. In this course you'll learn about the history of Ethernet, NIC and MAC addresses, and unicast, multicast, and broadcast addresses. Then you'll explore Ethernet standards and Ethernet frame structures, as well as Ethernet equipment. You'll learn about Ethernet connectors and performance issues associated with Ethernet communication. You'll learn about Ethernet switches and the benefits of switching. Then you'll explore switch functionality, connectivity issues surrounding switching, and spanning tree protocol. You'll go onto discover how to configure switches and the importance of port security. Finally, you'll learn about Power Over Ethernet (POE), port mirroring, and Virtual LANs (VLANs). This course was originally created by Global Knowledge (GK).


  • Describe the features and benefits of ethernet
    Identify the features of network interface cards (nics) and mac addresses
    Describe the purpose of unicast, multicast, and broadcast addresses
    Demonstrate how to view a computer's mac address using the command line
    Identify the various ethernet standards used in computer networking
    Describe the components and fields of the ethernet ii frame structure
    Describe the purpose of the ethernet ii frame type field
    Identify ethernet frame formats other than ethernet ii
    Describe common types of ethernet hardware and components
    Identify the various connector types used in ethernet connections
    Identify various factors that affect ethernet performance
    Describe the purpose of ethernet switches
    Identify the benefits of switching in computer networks
    Describe the various types of switches and when they should be used
    Discuss how switches identify devices
    Describe how switches use lookup tables to learn about connected devices
    Identify how switches use forwarding and filtering to communicate with connected devices
    Discuss flooding and why switches might need to use it
    Describe a scenario where a switch might flood broadcast frames and why that's a problem
  • Discuss broadcast storms and why they're problematic
    Describe the basic purpose of spanning tree protocol
    Discuss the first phase of spanning tree protocol, root switch election
    Describe the second phase of spanning tree protocol, path selection
    Identify the timers used by switches to monitor for changes in network architecture
    Discuss rapid spanning tree protocol and how it improves upon spanning tree protocol
    Describe spanning tree's self-healing capabilities
    Discuss the various options for basic switch configuration
    Describe switch port security and why unused ports should be disabled
    Discuss how some switches can be used to provide power to connected devices
    Describe port mirroring in switches and how it's used
    Describe how vlans can be used to improve network performance and security
    Discuss basic vlan configuration
    Describe a scenario where multiple vlans might be used and why this would be a useful option
    Discuss a scenario where you would configure vlans to work with multiple switches
    Describe the ieee 802.1q protocol and how frames can be redirected to vlans
    Discuss how priority can be assigned to vlan ports
    Describe ieee 802.1ax and the link aggregation protocol
    Discuss various switch troubleshooting techniques



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