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The computer layer

need to do 4 problems related to computer networks on

1)network topology,

2)Consider a virtual-circuit network. Suppose the VC number is a 4-bit field.

a, What is the maximum number of virtual circuits that can be carried over a link?

b, Suppose that different VC numbers are permitted in each link along a VC’s path.

During connection setup, after an end-to-end path is determined, describe how the links

can choose their VC numbers and configure their forwarding tables in a decentralized

manner, without reliance on a central node.

3)Consider sending a 4000-byte datagram into a link that has an MTU of 500 bytes.

Suppose the original datagram is stamped with the identification number 526. How many

fragments are generated? What are their characteristics? (Assume IPv4 is used so the IP

header is 20 bytes in length)

Habilidades: Engenharia de Telecomunicações

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( 4 comentários ) newyork, United States

ID do Projeto: #5115059

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Billymar

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itachi23

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wenguo214

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mrphiljones

Answer to 2a: 4 bits can address 16 different numbers because 2 x 2 x 2 x 2 = 16, this means the number of virtual circuits carried over the link is 16. Answer to 2b: If all members of the network broadcasted thei Mais

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