Assignment 1- UU-MBA-741-ZM- Business Data communication and security

Course Name: Business Data Communication and Security


Name:



Student ID Number:



Title: Assessment Point 1



Tutor’s Name: Dr. Patrick Albert Chikumba



Date: December 19, 2021




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, Table of Contents

Question 1…………………………………………………………………………………….4

Question 2…….………..……………………………………………………………………..6

Question 3……………………………………………………………………………………..7

Question 4…………………………..………………………………………………………...8

Question 5……………………………….…………………………………………………....9

Question 6………………………………….……………………………………….…..……10

Question 7…………………………………..………………………………………...……...11

Question 8……………………………………..……………………………………...………12

References…………………………………………………………………………...……….15




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, Table of Figures

Figure 1: TCP/IP Model Vs. OSI Model…………………………………………….………4

Figure 2: Comparison of Fibre Optics, Twisted Pair and Coaxial…………….………….7

Figure 3: SHA-1 using RSA for digital Signature……………………………………….….9

Figure 4: Authentication by HMACs………………….……………………………………...9

Figure 5: TCP and UDP Comparison………………………………………………………12

Figure 6: Comparison of Bus, Ring and Star Topology…………………………………..14




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