Consider a router that transmits bits onto a transmission medium at the rate of 2 Mbps. Let the link be 3 km in length, and bits propagate through the transmission medium at the speed of (approximately) 3x10^8 meters/sec. What is the transmission delay in seconds to transmit a packet of size 2,000 bits onto the link? а. .4 seconds O b. 1 second c. 1 x 10^-5 seconds O d. .001 seconds

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