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LAN Topologies
The term topology explains the geographic arrangement of networking devices. It explains the actual layout of the network hardware. Given the location of workstations and peripherals, the goal of topology is to search the most economical and efficient way to connect all the users to the network resources whereas providing adequate capacity to handle user demands, handle system reliability and minimize delay.
Can you define the WAN and LAN Interface in Routers?
Explain the technique- Backpressure This technique produces an effect same to backpressure in fluids flowing down a pipe. It includes link-by-link use of flow control in a dire
Wide Area Network WAN Wide Area Network ( WANs) connect larger geographic areas such as London the UK or the world. In this types of networks dedicated transoceanic cab
In OSI 7 layer model, a header, or possibly a trailer, can be added to the data unit at each layerI 7 layer, but we will define a simple virtual packet which contains only 8bit dat
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
How do we do encryption and authentication in L2F?
What are the Communication tools ? Voice mail ? Email ? Fax ? Video conferencing applications
Describe the concept of broad cast and multi-cast?
What is piggybacked ACK The protocol will be incorrect. Suppose that 3-bit sequence numbers we are using. Consider following situation: A just send frame 7. B gets frame
Control Frame: claim_token Consider first station turned on Station notices no tokens Sends claim_token No competitors, so makes a ring of just itself P
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