Consider the use of 1000-bit frames on a 1 Mbps satellite channel with a 270 ms delay. What is the maximum link utilization for a) Stop-and-wait flow control?

Q: What is the total delay (latency) for a frame of size 78 million bits that is being sent on a same…

A: Given, Frame of size = 78 million bits = 78 × 106bits = 78000000 bits Queuing time = 83 μs =  83×…

Q: A pure ALOHA network transmits 200-bit frames on a shared channel of 200 kbps. What is the…

A: Explanation: Average frame transmission time is given below,Tfr = 200 bits/200 kbps or 1 ms

Q: 4) What is the round trip time (RTT) in milliseconds (ms) for a 75 GiB file transmitted on a 500 Km…

A: 4) Speed of light in fiber = 2.14 * 10 ^ 8 m/s Round trip time is the time required for a packet to…

Q: Consider a 50 kbps satellite channel with a 500 milliseconds round trip propagation delay. If the…

A: Introduction :Given , A satellite channelBandwidth = 50 Kbps RTT = 500 ms Data size = 1000 bit…

Q: Consider a 50 kbps satellite channel with a 500 milliseconds round trip propagation delay. If the…

A: Here in this question we have given a satallite with bandwidth 50kbps. RTT =500 ms. Frame length…

Q: In a selective repeat sliding window protocol the bandwidth of the link is 10 Mbps. The size of the…

A: Introduction :Given ,Implementation of sliding window protocol ( selective repeat  ) bandwidth =10…

Q: Compute the fraction of the bandwidth that is wasted overhead (headers and on retransmissions) for…

A: The Answer is

Q: Assume that a voice channel occupies a bandwidth of 4 kHz. We need to combine three voice channels…

A: Answer is given below

Q: Assume that a voice channel occupies a bandwidth of 4 kHz. We need to combine three voice channels…

A: the solution is an given below :

Q: Assume that a voice channel occupies a bandwidth of 4 kHz. We need to combine three voice channels…

A: SOLUTION:- First of all, we will modulate each of the three voice channels to a different bandwidth.…

Q: Assume that a voice channel occupies a bandwidth of 4 kHz. We need to combine three voice channels…

A: We shift (modulate) each of the three voice channels to a different bandwidths.  We use the…

Q: 1. What is the bandwidth-delay product? 2. If the system data frames are 15 kilobytes in length,…

A: Bandwidth delay product is calculated as the product of the link capacity of the channel and the…

Q: Consider a channel with spectrum from 3 to 7MHHZ and SNR(dB) = 20dB. What is the maximum theoretical…

A: Channel is noisy as SNR( Signal to Noise Ratio ) is given. Maximum theoretical data (C) is given by:…

Q: A 1-km-long, 10-Mbps CSMA/CD LAN (not 802.3) has a propagation speed of 200 m/sec. Repeaters are not…

A: Introduction

Q: What are advantages and disadvantages of random access based multiple access protocols? Why slotted…

A: Multiple Access Protocols: The Data Link Layer is responsible for the transmission of data between…

Q: A 20 Kbps satellite link has a propagation delay of 400 ms. The transmitter employs the "go back n…

A: Introduction  Given , implementation of go-back-10- ARQ link bandwidth = 20 kbps  Propagation delay…

Q: A 20 Kbps satellite link has a propagation delay of 400 ms. The transmitter employs the "go back n…

A: Introduction :Given , Implementation of "go back n "link bandwidth = 20 Kbps Tp = 400 ns n= 10 Frame…

Q: We define data link layer communication efficiency as the ratio between a packet transmission time…

A: The complete answer is given below.

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for…

A: The answer is....

Q: compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for…

A: The answer is..

Q: Write four functions of the data link layer. What is the importance of calculating minimum hamming…

A: Given: Create four data link layer functions. What is the significance of determining the minimum…

Q: Assume that a channel occupies a bandwidth of 110 kHz. We need to combine eleven channels into a…

A: Solution :

Q: Assume that a channel occupies a bandwidth of 110 kHz. We need to combine eleven channels into a…

A: Solution:- Here, are 11 channels that need to be combined with a bandwidth of 1.26MHz. Therefore,…

Q: In terms of data link controls and physical layer notions, discuss error and flow control in…

A: Introduction: In terms of concepts relating to data link control and physical layering and here is…

Q: and R2, introduce queuing delay of 3 msec and 5 msec, respectively. • Assume the signal propagation…

A: The answer is

Q: Frames of 1000 bits are sent over a 106 bps duplex link between two hosts. The propagation time is…

A: Introduction :Given ,Frame size = 1000 bits link speed = 106 bps duplex linkpropagation time is 25…

Q: Assume two hosts are paired in a CSMA/CD network with a 1Gbps of transmission medium. How far apart…

A: Given, Bandwidth (B) = 1 GBPS Length (L) = 1,000 bits Velocity (V) = 2*108m/s Here we have to…

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmi- ssions) for…

A: The Answer is

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmi- ssions) for…

A: Below is the answer with calculation:

Q: the difference between QPSK and offset QPSK? 2) Five channels, each with a l00 kHz bandwidth, are to…

A: 1. the difference between QPSK and offset QPSK 2.Five channels, each with a l00 kHz bandwidth, are…

Q: Data link layer is responsible for delivery of frames Select one: O a. none O b. Source to…

A: The data link layer provides the functional and procedural means to transfer data between network…

Q: Calculate the nodal delay in millisecond for a 1000-byte packet when the node bit rate is 1 Mbps,…

A: The question is to find the nodal delay for the given problem.

Q: 6- Bits can be sent over guided and unguided media as analog signal by a) digital modulation b)…

A: 6)Bits can be sent over guided and unguided media as analog signal by -‐-------------…

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmi ssions) for…

A: THE ANSWER IS

Q: (i) Consider a transmitter employing sliding window protocol for flow control with a window size set…

A: Propogation delay =Tt= 500ms   Transmission delay = Tp = 200*8/20*10^3 = 80 ms For sliding window…

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for…

A: The Answer is

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for…

A: selective repeat protocol,and 8 bits sequence numberwe know that ,sender window…

Q: Compute the fraction of the bandwidth that is wasted on overhead (headers and retransmissions) for…

A:

Q: How many bits should the sequence numbers be for the following E-link: Link length = 400 km,…

A: Given:

Q: a) The function of a order to provide for an orderly and efficient use of that capacity. protocol is…

A: 1. MAC  MAC  access to the transmission medium for the purpose of providing for an orderly and…

Q: Data Link layer is concerned about Select one: O a. None O b. packets O c. frames O d. segments O e.…

A: The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer…

Q: A group of N stations share a 56-kbps pure ALOHA channel. Each station outputs a 1000-bit frame on…

A: ALOHA: ALOHA originally stood for Additive Links On-line Hawaii Area. In the 1970s ALOHA random…

Q: Mention three situations where multiplexing is used? How is the wastage of bandwidth in TDM overcome…

A: INTRODUCTION: Multiplexing is defined as a way of combining numerous analog or digital signals into…

Q: Frames of 1000 bits are sent over a 1 Mbps link between earth and moon whose propagation delay is…

A: INTRODUCTION: L = 1000 bitsBw = 1 Mbps = 106 bpsTp = 270 ms = 270 * 10-3 secPiggy backing…

Q: The error and flow management in synchronous time-division multiplexing is achieved by use of data…

A: TDM is a technique for sending and receiving separate signals across a shared signal route using…

Q: what is the throughput if the system produces the 1000 frames/sec then A pure ALOHA network…

A: The Answer is

Q: what is the throughput if the system produces the 1000 frames/sec then A pure ALOHA network…

A: The Answer is in Below Steps

Q: what is the throughput if the system produces the 1000 frames/sec then A pure ALOHA network…

A: throughput of ALOHA network is calculated in step 2.

Q: Assume that the overhead is 40 Byte per packet (header, trailer, interpacket gap). What is the net…

A: Suppose, for the needs of this exercise, that there aren't any different overheads (this is false).…

Q: Suppose there is a shared link (e.g. Ethernet bus) of 1 Mbps. How much time is needed (in…

A: Shared link: The all-encompassing LAN computer network protocol has currently been analysed…