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Consider a subnet with prefix 128.119.40.128/26. Give an example of one IP addresses (of the form...

  1. Consider a subnet with prefix 128.119.40.128/26. Give an example of one IP addresses (of the form xxx.xxx.xxx.xxx) that can be assigned to this network. Suppose an ISP owns a block of addresses of the form 128.119.40.64/26. Suppose it wants to create four subnets from the block, with each block having the same number of IP addresses. What are the prefixes (of form a.b.c.d/x) for the four subnets?
  2. Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R. Denote the propagation delay between the two nodes as dprop. Will there be a collision if dprop < L/R? Why or why not?
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Consider a subnet with prefix 128.119.40.128/26. Give an example of one IP addresses (of the form xxx.xxx.xxx.xxx) that can be assigned to this network. Suppose an ISP owns a block of addresses of the form 128.119.40.64/26. Suppose it wants to create four subnets from the block, with each block having the same number of IP addresses. What are the prefixes (of form a.b.c.d/x) for the four subnets?

Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R. Denote the propagation delay between the two nodes as dprop. Will there be a collision if dprop < L/R? Why or why not?

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