computer network

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 Read each problem carefully. Failure to follow the instructions for a problem will result in a zero score for that problem._x000D_
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Submit the completed Homework via Assignment in LEO._x000D_
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  1.    An IPv4 datagram has arrived with the following partial information in the header (in hexadecimal)

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4500003C  00030000  1A06 . . . ._x000D_

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  1. What is the header size?

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  2. Are there any options in the packet?

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  3. What is the size of the data?

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  4. How many more routers can the packet travel to?

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  5. What is the protocol number of the payload being carried by the packet?

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Note: See figure 4-6 and table 4.2_x000D_
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  1.   Rewrite the following IP addresses using binary notation.

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  2. 120.5.11.99                        b. 12.24.201.32

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  1. 3.  Find the class of the following IP addresses

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  2. 99.34.54.12                       b.  160.68.4.2

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  1. 4.   The IP network is a virtual network and must rely on a link layer network to transport a frame. What elements support getting an IP frame over an Ethernet LAN.

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  1. Given the following circuit diagram and the cost for each circuit.

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  1. What is the least cost path for communications between points A and Z?

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  1. What path has the minimum amount of hops?

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           – D – – – – E – – – – F – _x000D_
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         -           -             –_x000D_
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       -           -               –_x000D_
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     A – – – – – – G – – – – – – – – Z_x000D_
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     -                             –_x000D_
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        -                         –_x000D_
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         H – – – – – – – – I – – _x000D_
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           Link   Cost_x000D_
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           A – D – 2_x000D_
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           D – E – 5 _x000D_
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           E – F – 2_x000D_
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           F – Z – 3_x000D_
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           A – G – 8_x000D_
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           E – G – 1_x000D_
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           G – Z – 7       _x000D_
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           A – H – 6_x000D_
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           H – I – 4_x000D_
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           I – Z – 1_x000D_
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