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Answer the following Computer Networking Questions: Describe two problems (for each layer) addressed by the: physical layer, link layer, and network layer. For the link
Answer the following Computer Networking Questions:
- Describe two problems (for each layer) addressed by the:
- physical layer,
- link layer, and
- network layer.
- For the link layer and for the network layer, list two pieces of information found in the datagram (packet) that are used to solve problems for that layer.
- Nyqusit data rate determines the maximum channel capacity.
- State Nyqusit formula used to determine the maximum channel capacity.
- Given a transmission wire with a bandwidth of 8000Hz and 256 distinct levels, determine the channels maximum capacity.
- A fibre optic cable can transmit 200 Mbps (million bits per second), assuming a bandwidth of 10 Bbps, how many signalling levels are required.
- Given the signal to noise ratio, Shannon's result can be used to determine the maximum channel capacity.
- State Shannon's formula.
- What is the capacity of a channel where the SNR = 1000 and the bandwidth is 8000Hz?
- If the bandwidth is 10Mbps and the channel capacity is 200Mbps, what is the SNR?
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Advanced Oracle Solaris 11 System Administration
Authors: Bill Calkins
1st Edition
0133007170, 9780133007176
