Consider two nodes (A, B) sharing the same broadcast channel of speed R =10Mbps. The propagation delay between the two nodes is 1ms. Consider a node C in the middle between both nodes. If A starts at time t=0 its transmission of a packet to node C, at what time can node B start transmitting its packet to a node D in the network in order for the two packets not to collide? Assume both nodes have each a packet of length L = 1000Bytes. О а. 1.3ms O b. 1ms О с. 0.5ms O d. 1.8ms

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