Question: (a) Does link congestion block the data transmission in a virtual circuit approach Justify your answer? (4 marks) (b) Consider a packet switched network, which

(a) Does link congestion block the data transmission in a virtual circuit approach Justify your answer? (4 marks) (b) Consider a packet switched network, which is sending real time video information between two devices (Node A and Node B). Node A converts the video signal of size 64 bytes to a digital form at a rate of 43 kbps. Node A and Node B is connected with a data rate of 4Mbps having a propagation delay of 100 ms. Calculate the end to end delay in transferring the video, by considering the processing time. Here the processing time is the time to convert the video signal to digital form. (6 marks)

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