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

Given: Bandwidth = 2 Mbps => 2 *106 bits/sec Distance = 3 km Speed = 3 * 108 meter/sec…

Answered: Consider a router that transmits bits…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Que.a) Consider a CSMA/CD network that transmits data at a rate of 400 x 106 bits per second. The maximum signal propagation time from one node to another node is 20 microseconds. The minimum size of a frame in the network is(. bytes).
Consider a transmission medium that has a bandwidth of 2 MHz, an average signal power of 155 units, and an average noise power of 5 units. c Determine the channel capacity. If we decide to use 80% of the channel capacity to transmit a signal, what should be the number of signal levels?
Computer A is sending a 100 kByte long file to Computer B via packet-switching over two consecutive 10 Mbps links of 1000 km length each.Assume that the signal propagation speed on both links is 2.5 x 108 m/s.Furthermore, assume that the maximum length of a packet is 1500 bytes and that Computer A fills each packet to the max, if possible. If transmission starts at time t=0, how long (in seconds) does it take until Computer B has received the last bit of the complete file transfer?Assume that the switch between link 1 and 2 is a "store-and-forward" switch. Furthermore, assume that processing and queuing delays are negligible and no other stations are using the links.
10. For a 10 Mbps data link using 12,000-bit frames, and assuming that electrical signals propagate at 2.5 x 108 m/s: a. How long does it take to introduce a single frame onto the link? b. How long does it take for the trailing edge of the frame to travel 1,620 km? c. What is the total transmission time of this frame, from start to finish?
a) Consider a CSMA/CD network running at 20 Mb/s over 3-km cable with no repeaters. The signal speed in the cable is 2×108 m/s. Suppose station A starts transmitting a frame of size 400 bytes at time T. i. Can it happen that station A detects a collision at time T+10 us (micro seconds) if there was no collision detected between time T and T+10 μs? Justify your answer. Can it happen that the station detects a collision at time T+20 μs, if there was no collision detected between time T and T+20 us? Justify your answer. iii. Can it happen that the station detects a collision at time T+33 μs, if there was no collision detected between time T and T+33 us?? Justify your answer.
not handwritten A 3000-km long, 1 Mbps link is used to transmit 1000-bit data packets using the Selective Repeat protocol. If the speed of light in this link is 2 x 105 km/second. What is the minimum number of bits the sequence numbers should be? Assume no flow control, and negligible transmission and processing times for acknowledgments. (Take 1M = 1000,000.)
Unless specified otherwise, use the free space propagation speed of light 3x108 m/s to calculate the propagation delay. For numerical calculations, the results must show the appropriate unit. Show a complete solution for each problem5. An access multiplexer (AM) installed in the roadside box of the NBN (National Broadband Network). Assume that 200 homes are connected to the AM. The average packet interarrival arrival time at the AM is 200 μs. The average packet length is 2,500 bytes where the packet length is exponentially distributed.a. Calculate the number of packets arriving at the AM every hour.b. Calculate the incoming traffic rate (in bits/sec) at the input of the AM.c. Assume that the output of the AM is connected to the NBN core network via a 2-Gbps link. Calculate the total normalised load ρ at the AM.d. Assume that the packet arrival process is exponentially distributed. Calculate the average queuing delay introduced by the AM.

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