The measured average round trip delay on a connection is 50 msec. If the link has...
The measured average round trip delay on a connection is 50 msec. If the link has a bandwidth of 1Gb/sec, what is the minimum number of Bytes that should be available in the window so that the transfer of the data does not become stop and wait
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The measured average round trip delay on a connection is 50
msec. If the link has...
11. Suppose the bandwidth on a point-to-point link is 1 Mbps and the round-trip delay is...
11. Suppose the bandwidth on a point-to-point link is 1 Mbps and the round-trip delay is 19 milliseconds. Assume that the size of each packet is 1000 bits. Also assume that the size of ACK packet is negligible. Answer each of the following for both go-back-n and selective-repeat schemes. Assume that the sender always has data for transmission. (10 points) (a) Assuming that the link is error-free, what should be the minimum window size to achieve at least 75% utilization....
(a) A data link with a 1 Gigabits/sec capacity is used to transmit packets made up of 1400 bytes of data and 100 bytes of protocol control information. Each packet is acknowledged by a short frame of...
(a) A data link with a 1 Gigabits/sec capacity is used to transmit packets made up of 1400 bytes of data and 100 bytes of protocol control information. Each packet is acknowledged by a short frame of size 150 bytes. The propagation speed in the transmission medium is 200,000 km/sec. Consider the buffering and processing time in the nodes to be negligible. A node A communicates with a node B, with a distance between nodes A and B of 16...
Question 1.) An ISP guarantees a minimum 102 kbps download speed. What should be the minimum TCP window size in byt...
Question 1.) An ISP guarantees a minimum 102 kbps download speed. What should be the minimum TCP window size in bytes for a user who is downloading a large file through a link with with 28 ms round trip time? Assume that this network has a MSS of 512 bytes. Question 2.) Now this TCP connection is suddenly routed through a 204 ms delay link. For example the connection may have been using a terrestrial link before, but now use...
03) Consider sending a file size of O bits over a path of 2 links. Suppose...
03) Consider sending a file size of O bits over a path of 2 links. Suppose the first link can transmit at R1 bit/sec (bps) and the second link can transmit R2 bits/sec (bps) (R1+ R2), both links have a propagation delay of tp, network lightly loaded (no queuing delays), and each link's maximum frame size, S bits, is same (S < O and number of segments is integer and headers are negligible.). (a) How long does it take to...
Please Answer all Questions on Networks, They all involve calculation ( 1-9 Questions) "A single router...
Please Answer all Questions on Networks, They all involve calculation ( 1-9 Questions) "A single router is transmitting packets, each of length L bits, over a single link with transmission rate R Mbps to another router at the other end of the link. Suppose that the packet length is L= 12000 bits, and that the link transmission rate along the link to router on the right is R = 1000 Mbps. What is the maximum number of packets per second...
help with computer network questions 1. What is the difference between circuit switching and packet switching?...
help with computer network questions 1. What is the difference between circuit switching and packet switching? 2. What are the different layers in today’s Internet? Why do we create layers? 3. Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on Earth. Every minute the satellite takes a digital photo and sends it to the base station. Assume a propagation speed of 2.4 * 10^8 meters/sec. a. What is the propagation delay of...
Procedure Reaction: Add about 15 mL (measured precisely) of t-amyl alcohol to a 50 mL round...
Procedure Reaction: Add about 15 mL (measured precisely) of t-amyl alcohol to a 50 mL round bottom flask (the flask will become your stillpot). Cool the pot in an ice-water bath and slowly add, with swirling, about 5 mL of 9 M sulfuric acid. Add two boiling chips then clamp the flask to your ring stand. Do not leave the flask someplace it can be knocked over. Set up a fractional distillation with a foil wrapped Vigreux column. Use a...
Procedure Reaction: Add about 15 mL (measured precisely) of t-amyl alcohol to a 50 mL round...
Procedure Reaction: Add about 15 mL (measured precisely) of t-amyl alcohol to a 50 mL round bottom flask (the flask will become your stillpot). Cool the pot in an ice-water bath and slowly add, with swirling, about 5 mL of 9 M sulfuric acid. Add two boiling chips then clamp the flask to your ring stand. Do not leave the flask someplace it can be knocked over. Set up a fractional distillation with a foil wrapped Vigreux column. Use a...
check my answers for Networking I came up with these answers, can check my answers Question...
check my answers for Networking I came up with these answers, can check my answers Question 1: General What data rate is needed to transmit an uncompressed 4" x 6" photograph every second with a resolution of 1200 dots per inch and 24 bits per dot (pixel)? 691,200 kb/s 28.8 kb/s 8.29 Mb/s 829 Mb/s Question 2: Layering "Layering" is commonly used in computer networks because (check all that apply): -It forces all network software to be written in ‘C’....
The negative effects of ambient air pollution on children's lung function has been well established, but...
The negative effects of ambient air pollution on children's lung function has been well established, but less research is available about the impact of indoor air pollution. The authors of an article investigated the relationship between indoor air-pollution metrics and lung function growth among children ages 6-13 years living in four Chinese cities. For each subject in the study, the authors measured an important lung-capacity index known as FEV1, the forced volume (in ml) of air that is exhaled in...
11. Suppose the bandwidth on a point-to-point link is 1 Mbps and the round-trip delay is 19 milliseconds. Assume that the size of each packet is 1000 bits. Also assume that the size of ACK packet is negligible. Answer each of the following for both go-back-n and selective-repeat schemes. Assume that the sender always has data for transmission. (10 points) (a) Assuming that the link is error-free, what should be the minimum window size to achieve at least 75% utilization....
(a) A data link with a 1 Gigabits/sec capacity is used to transmit packets made up of 1400 bytes of data and 100 bytes of protocol control information. Each packet is acknowledged by a short frame of size 150 bytes. The propagation speed in the transmission medium is 200,000 km/sec. Consider the buffering and processing time in the nodes to be negligible. A node A communicates with a node B, with a distance between nodes A and B of 16...
Question 1.) An ISP guarantees a minimum 102 kbps download speed. What should be the minimum TCP window size in bytes for a user who is downloading a large file through a link with with 28 ms round trip time? Assume that this network has a MSS of 512 bytes. Question 2.) Now this TCP connection is suddenly routed through a 204 ms delay link. For example the connection may have been using a terrestrial link before, but now use...
03) Consider sending a file size of O bits over a path of 2 links. Suppose the first link can transmit at R1 bit/sec (bps) and the second link can transmit R2 bits/sec (bps) (R1+ R2), both links have a propagation delay of tp, network lightly loaded (no queuing delays), and each link's maximum frame size, S bits, is same (S < O and number of segments is integer and headers are negligible.). (a) How long does it take to...
The negative effects of ambient air pollution on children's lung function has been well established, but less research is available about the impact of indoor air pollution. The authors of an article investigated the relationship between indoor air-pollution metrics and lung function growth among children ages 6-13 years living in four Chinese cities. For each subject in the study, the authors measured an important lung-capacity index known as FEV1, the forced volume (in ml) of air that is exhaled in...
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