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You are Information Security Officer at the medium-sized company (1,500 employees). CIO has asked you to describe why you suggest it is so significant to secure your Windows and Unix/Linux servers from known shortcomings/vulnerabilities, describe to your CIO what you can do to ensure network infrastructure is more secured.
Briefly explain the following three methods of connecting to Internet: Cable Internet service, digital subscriber line, and dial-up Internet service.
Assume that four events need 35,20,10, and x me=sec of CPU time, respectively. Dtermine the largest value of x for which system is schedulable?
Arrival at time t = 1, length 3; arrival at t = 2, length 1. Buffer 3: arrival at time t = 3, length 5. You need to find out the finish tag, order of transmission and actual packet completion times for each packet arrival.
How would one define the s-t cut on node capacitated network as opposed to the edge capacitated network, and how would one illustrate that analogue.
Describe in scholarly detail "technical jargon" and describe the role of project managers and telecommunications managers.
Assume you have been employed as a consultant to suggest a retailing corporation about ways in which it can use networking technology to enhance its business.
If poll bits are in the sixth frame, determine the N(R) count back from secondary after last frame? Suppose error-free operation.
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
Average telephone is used to make four calls per 8-hour workday, with mean call duration of six minutes. Ten percent of calls are long distance. Determine maximum number of telephones an end office can support?
Create several duplicate scenarios and modify the interarrival times for all the Ethernet stations to 0.0008, 0.002, 0.003, 0.005, and 0.006, respectively.
Suppose that you have trained your dog to carry box of three data storage tapes. For what range of distances does dog have higher data rate than 155 Mbps ATM line ?
Explain authentication and authorization. Which depends on the other? How and why are these processes more complex in a modern networked organization.
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