Using the CSMA/CD back-off algorithm, compute the conditional probabilities of two nodes A and B having...
Using the CSMA/CD back-off algorithm, compute the conditional probabilities of two nodes A
and B having collision numbers as 1 and 3 respectively. Illustrate the probability of A’s and B’s
chance for winning the collision and the chance for a no collision.
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Using the CSMA/CD back-off algorithm, compute the conditional
probabilities of two nodes A
and B having...
Explain CSMA/CD back off algorithm briefly. Using the CSMA/CD back-off algorithm, compute the con...
Explain CSMA/CD back off algorithm briefly. Using the CSMA/CD back-off algorithm, compute the conditional probabilities of two nodes A and B having collision numbers as 1 and 3 respectively. Illustrate the probability of A’s and B’s chance for winning the collision and the chance for a no collision. need to know how Need to know p(a) and p(b) and p(c)
suppose two devices using CSMA/CD and the binary exponential backoff algorithm have just sent transmission that...
suppose two devices using CSMA/CD and the binary exponential backoff algorithm have just sent transmission that have each experienced collision Twice. what is tye probability that both devices will transmit successfully during the bext two time slots where n=3.
7. (4 pointa) Cossider two nodes A and B consected vis an Etheret bo of 48Mbps...
7. (4 pointa) Cossider two nodes A and B consected vis an Etheret bo of 48Mbps Suppone that the two nodes are the oaly sodes, and that the propsantion delay betwern temi 240 Suppose that both nodes each bas a frame to send, and st tve t After coll ision, node A chooses KA 0 and node B chocees Kp 1. Rl th, i the CSMA/CD 0 they bot algorithm, right after detecting a collislon, a node mrst seud a...
In WiFi systems, nodes adopt CSMA MAC protocol to access to the shared media through contention. ...
In WiFi systems, nodes adopt CSMA MAC protocol to access to the shared media through contention. At the beginning, CWmin # 31 meaning that there are 32 slots available for users. Answer the following questions. (All answers limit to 1-2 sentences please.) 1) At the beginning, if node A pick up the back off counter BO-10, what is probability to win the channel contention ? However, after 3 slots node A detected that some other node began to sent package....
Q6. Total: 7 marks] Nodes A and B are accessing a shared medium with propagation delay...
Q6. Total: 7 marks] Nodes A and B are accessing a shared medium with propagation delay of 300 bit times between them (i.e., propagation delay equals to the amount of time to transmit 300 bits onto the link). A and B each have a frame of 1,000 bits (including all headers and preambles) to send to each other. a) (3 marks] In the worst case, how many bits would A have sent out when it detects collision? Briefly show how...
ASAP Exercise 6. This problem describes an experiment in which conditional probabilities are used to compute...
ASAP
Exercise 6. This problem describes an experiment in which conditional probabilities are used to compute "proper" probability. The experiment starts with two urns, Urn #1 contains 5 white marbles and 2 black marbles. Urn #2 contains 7 white marbles and 3 black marbles. One marble from each urn is drawn at random. (For each urn, the chance of each marble being drawn is the same.) Let T be the event that the two marbles are the same color. Let...
Problem 5: Gambler's Ruin Our old friend John Doe who tried his luck at blackjack back in Homework 2 now decides to win a small fortune using slot machines mstead. Having ganed some wisdom from h...
Problem 5: Gambler's Ruin Our old friend John Doe who tried his luck at blackjack back in Homework 2 now decides to win a small fortune using slot machines mstead. Having ganed some wisdom from his previous outings, he starts off small with just one dollar. He plays the slot machines in the following way He always inserts one dollar into the slot machines After playing it, the machine returns two dollars with probability p and returns nothing with probability...
Write a program in Python implement the RSA algorithm for cryptography. Set up: 1.Choose two large...
Write a program in Python implement the RSA algorithm for cryptography. Set up: 1.Choose two large primes, p and q. (There are a number of sites on-line where you can find large primes.) 2.Compute n = p * q, and Φ = (p-1)(q-1). 3.Select an integer e, with 1 < e < Φ , gcd(e, Φ) = 1. 4.Compute the integer d, 1 < d < Φ such that ed ≡ 1 (mod Φ). The numbers e and d are...
B) Consider two time series as two sets on numbers: e.g. S1 = {3, 5, 7,...
B) Consider two time series as two sets on numbers: e.g. S1 = {3, 5, 7, 8 , .., 4, 7} and S2 = {5, 5, 8 , .., 9, 7}. You need to come up with 2 sets, each having 100 elements. You can make them random if you like. 1) Normalize each set in range [0,1]. 2) Find the probabilities of S2 in the ranges [0,0.1], (0.1,0.2], (0.2,0.3], .., (0.9,1] when S1 are in the same ranges [0,0.1],...
1) An observer fails to check the bubble of a level and it is off two...
1) An observer fails to check the bubble of a level and it is off two divisions on a 100-m sight. If the sensitivity of the bubble is 20-sec, what error would there be in the reading? 2 ) The following azimuths are from the north: 329°20’, 180°35’, 48°32’, 170°30’, 145°25’, 319°35’, 350°45’, 95°49’, 11°30’, 235°45’. Express these directions as (a) azimuth from the south, (b) back azimuths, (c) bearings. 8) 6.7 The following azimuths are reckoned from the north:...
7. (4 pointa) Cossider two nodes A and B consected vis an Etheret bo of 48Mbps Suppone that the two nodes are the oaly sodes, and that the propsantion delay betwern temi 240 Suppose that both nodes each bas a frame to send, and st tve t After coll ision, node A chooses KA 0 and node B chocees Kp 1. Rl th, i the CSMA/CD 0 they bot algorithm, right after detecting a collislon, a node mrst seud a...
In WiFi systems, nodes adopt CSMA MAC protocol to access to the shared media through contention. At the beginning, CWmin # 31 meaning that there are 32 slots available for users. Answer the following questions. (All answers limit to 1-2 sentences please.) 1) At the beginning, if node A pick up the back off counter BO-10, what is probability to win the channel contention ? However, after 3 slots node A detected that some other node began to sent package....
Q6. Total: 7 marks] Nodes A and B are accessing a shared medium with propagation delay of 300 bit times between them (i.e., propagation delay equals to the amount of time to transmit 300 bits onto the link). A and B each have a frame of 1,000 bits (including all headers and preambles) to send to each other. a) (3 marks] In the worst case, how many bits would A have sent out when it detects collision? Briefly show how...
ASAP
Exercise 6. This problem describes an experiment in which conditional probabilities are used to compute "proper" probability. The experiment starts with two urns, Urn #1 contains 5 white marbles and 2 black marbles. Urn #2 contains 7 white marbles and 3 black marbles. One marble from each urn is drawn at random. (For each urn, the chance of each marble being drawn is the same.) Let T be the event that the two marbles are the same color. Let...
Problem 5: Gambler's Ruin Our old friend John Doe who tried his luck at blackjack back in Homework 2 now decides to win a small fortune using slot machines mstead. Having ganed some wisdom from his previous outings, he starts off small with just one dollar. He plays the slot machines in the following way He always inserts one dollar into the slot machines After playing it, the machine returns two dollars with probability p and returns nothing with probability...
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