Application Layer
    Applications: The Interface Between the Networks
    Making Provisions for Applicatoins and Services
    Application Layer Protocols and Services Examples
    OSI Transport Layer
    Roles of Transport Layer
    TCP: Communicating with Reliability
    UDP: Communicating with Low Overhead

    OSI Network Layer
    Nwtwork Layger: Communicating from Host to Host
    Network: Dividing Hosts into Groups
    Routing: How Data Packets are Handled
    Routing Processes: How Routes Are Learned

    OSI Data Link Layer
    Data Link Layer: Accessing the Media
    MAC Techniques: Placing Data on the Media
    MAC: Addressing and Framing Data
    Putting It All Together: Following Data Through an Internetwork

    OSI Physical Layer
    Physical Layer: Communication Signals
    Physical Signaling and Encoding: Representing Bits
    Physical Media: Connection Communication

    Activities and Labs

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