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Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is receiving, in the figure below show the window positions for the following succession of events:
a) after A sends frames 0, 1, 2, 3 and before any acknowledgments from B are received
b) after A sends all new frames it is allowed to send following a successful reception of acknowledgment to frame 1
c) just after acknowledgment to frame 2 arrives (but before any more frames are sent) Use diagonal crosses to show sequence numbers of packets sent but not yet acknowledged, and circles to show sequence numbers of packets node A is allowed to send
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i need the job to be done within 3days
This example demonstrates the use of parallel sections construct. The three functions, fun1, fun2, and fun3, all can be executed concurrently. Note that all the section directives
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How many ways are there to execute VPN architecture?
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Describe at one disadvantage of a peer to peer network. When you are accessing the resources that are shared by one of the workstations on the network, that workstation takes
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