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QUESTION:
(a) Ethernet has grown in popularity in the recent years and is now used in LANs. Give three reasons for the success behind Ethernet.
(b) Ethernet uses the CSMA/CD multiple access protocol. Describe the features behind CSMA/CD.
(c) A bridge is a link layer device that stores and forwards Ethernet frames. One of its characteristics is that a bridge is self-learning. Bridges also do not offer protection against broadcast storms.
(i) Show, by means of a diagram, how a bridge learns.
(ii) Explain what is a broadcast storm is and how it can take place.
(d) Briefly describe the difference between store-and-forward and cut-through switches. Also, store-and-forward switches have an advantage over cut-through switches with respect to damaged frames. Explain what it is.
(a) Describe briefly the difference between flow control and congestion control in relation to a connection-oriented protocol such as TCP. (b) What is the initial rate of data
LEGAL, ETHICAL AND PROFESSIONAL ISSUES To minimize liabilities and reduce risks, information security practitioner should: • to understand current legal environment • to s
Question 1: (a) Define Artificial Intelligence. (b) Briefly describe the categories for the definition of Artificial Intelligence. (c) Identify the four basic types of
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Project Name : Computer Adaptive Test Role : Day to Day interaction with Client. Involved in Requirement Gathering, Estimation.Involved with Stellent design and architectur
QUESTION (a) (i) Describe Phishing attacks. (ii) Distinguish between Phishing and Spear Phishing attacks. (b) Describe two instances where an attacker sniffing on a netwo
Question (a) Estimate the average throughput between two hosts given that the RTT for a 100 bytes ICMP request-reply is 1 millisecond and that for a 1500 bytes is 2 millisecon
Question (a) For the bit stream 010011, show the waveforms for each of the code indicated. Consider that the signal level for NRZ-L for mark is positive; the signal level for t
Systems-Specific Policy (SysSP) SysSPs are codified as standards and procedures which are used when configuring or maintaining systems. Systems specific policies fall into 2 g
#questioAn elliptic curve y^2=x^3+ax+b(mod29) includes points P=(7, 15) and Q=(16, 13) a)Determine the equation of the crve b) Determine all values of x for which there is no point
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