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1. In CSMA/CD, what is the probability that a node selects K = 5 after 7 collisions? If K = 7 on a 20 Mbps Ethernet, how many seconds of delay does this correspond to? Show all steps! [10%] 2. Using the RSA security algorithm with p = 5 and q = 7, construct the public key and private key. Encrypt the message "thanks." Apply the decryption algorithm to recover the original plain message from the encrypted message. Show all steps! [15%]

1. In CSMA/CD, what is the probability that a node selects K = 5 after 7 collisions? If K = 7 on a 20 Mbps Ethernet, how many seconds of delay does this correspond to? Show all steps! [10%] 2. Using the RSA security algorithm with p = 5 and q = 7, construct the public key and private key. Encrypt the message "thanks." Apply the decryption algorithm to recover the original plain message from the encrypted message. Show all steps! [15%]

Computer Networking: A Top-Down Approach (7th Edition)
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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1. In CSMA/CD, what is the probability that a node selects K = 5 after 7 collisions? If K = 7 on a 20 Mbps Ethernet, how many seconds of delay does this correspond to? Show all steps! [10%] 2. Using the RSA security algorithm with p = 5 and q = 7, construct the public key and private key. Encrypt the message "thanks." Apply the decryption algorithm to recover the original plain message from the encrypted message. Show all steps! [15%]
Transcribed Image Text:1. In CSMA/CD, what is the probability that a node selects K = 5 after 7 collisions? If K = 7 on a 20 Mbps Ethernet, how many seconds of delay does this correspond to? Show all steps! [10%] 2. Using the RSA security algorithm with p = 5 and q = 7, construct the public key and private key. Encrypt the message "thanks." Apply the decryption algorithm to recover the original plain message from the encrypted message. Show all steps! [15%]
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