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Computer NetworksExplain the duties of different layers in TCP/IP model.202214mComputer NetworksWith the help of a neat and labelled diagram, explain the message format of ICMP. Explain various types of ICMP error messages and query messages.201714mComputer NetworksDescribe about services provided by the data-link layer.20207mComputer NetworksApplication layer is implemented on: (i) end systems (ii) NIC (iii) ethernet (iv) route20192m
PreviousA client uses TCP to send data to a server. The data are 16 bytes. Calculate the efficiency of this transmission at the TCP level (ratio of useful bytes to total bytes). Calculate the efficiency of transmission at the IP level. Assume no options for the IP header. Calculate the efficiency of transmission at the data link layer. Assume no options for the IP header and use Ethernet at the data link layer.NextDiscuss link state routing with an example.