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COMP20320 Computer Networking
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Consider a frame that is long sent over eight intermediate nodes (so nine links in total). Each link has a BER (Bit Error Rate) of three in ten million in every link. What is the resulting frame error probability in percentage to two decimal places.
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Consider a 18 milli-second (ms) round trip time and no congestion. The is and the . The . How many transmissions does it take to send 558 KB ?
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Consider sending a (kilo Byte) message over an hop path in a circuit-switched network and in a (lightly-loaded) datagram packet-switched network. The circuit setup time is (milliseconds), the propagation delay is per hop and the data rate is at each node. There is a requirement that the datagram packet-switched delay is no more than of the circuit-switched delay. What is the maximum packet size in Bytes. Round your answer if you have to.
You can ignore any queueing at the intermediate nodes, ignore any headers on the datagrams, and ignore the fact that the message does not have to be a multiple of the packet size.
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Consider the IP address where there are subnets. What is the address of this subnet.
Enter the answer in dotted decimal notation.
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Select all the correct statements
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Consider this data sequence that you received that has been bit stuffed:
The data here is from a Code (7,4). Find the corrected seven bits of data that was sent.
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Select all the correct statements
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You are given this bit sequence to protect: 1 0 1 1 0 0 1 0 1
The 1 1 0 1 0
What is the to be used. Only enter the bits of the .
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Consider a path with one intermediate node where the first link has a BER (Bit Error Rate) of four in ten million and the second link has a probability of a bit being correct of . What is the maximum frame size in if we want to have less than frames in error
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Select all the correct statements
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