To do successful work on their service learning project, students need to learn skills and concepts, the learning goals of your class. You need to decide how to teach these skills and concepts. Traditional methods can work well. The community partner needs to provide a one-page problem statement on letterhead.
ISDN physical layer (Layer 1) frame formats differ depending on whether the frame is outbound (from terminal to network) or inbound (from network to terminal). Both physical layer interfaces are shown in Figure: ISDN Physical Layer Frame Formats Differ Depending on Their Direction.
The 3rd layer in the OSI model. Protocols in the network layer translate network addresses into their physical counterparts and decide how to route the data from sender to receiver. Data Link Layer. 2nd layer of the OSI model, concerned with protocols and transferring data frames between network nodes. This layer is divided into two sub layers: The logical link control (LLC) sublayer and the Media Access Control (MAC) sublayer.