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Q1) You have been assigned as the manager on a project to develop a new application system for your business partner. You were given two weeks to develop a project plan and high level cost estimates.
Unfortunately, this is a relatively new technology for the company, and although the technology has been tried and tested elsewhere, there are no previous internal projects you can use to help estimate. Your initial estimate calls for a six-month development effort with a planned staff of 10.
The system takes data feeds from three upstream applications, and sends information back to two of them. You have never worked with these three systems in the past, although one of your developers used to work in the group that supports one of them.
Identify the top three risks in this situation. For each risk, document its risk event, impact, probability, impact rating/risk exposure, and mitigation strategy.
A crypto device encrypts each message into 20 bits of ciphertext.What is the entropy of the plaintext message? What is the entropy of the ciphertext message?
Analyze the result we obtained regarding the HTTP page response time. Collect four other statistics, of your choice, and rerun the simulation of the Simple and the Busy network scenarios.
You are hired to design, program and implement the PCS system which management calls the Sales and Inventory Management System.
Write down the analogous steps in dimensioning a computer network?
Compute the total time required to transfer a 1000KB file on a 1Mbps link with an RTD of 100msec ans a packet size of 1 KB in the following cases.a).
Describe how relative speed of 100BaseT LANs used at each location compares to accessing WAN link between two sites.
Illustrate attacks and defenses to these session key establishment protocols at all levels, including one or both of communicating machines being compromised.
Consider transferring an enormous file of L bytes. What is the maximum value of L such that TCP sequence numbers are not exhausted? Give proper justification?
It asks ISPs to disclose actual identities of these people. Should the ISPs comply with this request. Describe your reasoning
Choose an existing RFC and share it with the class by providing a brief description of the RFC and its importance to the Internet.
Show that the probability q that a given frame is not asked before n-1 additional frames have been sent (i.e., the window is exhausted) is q = (1+n)2-n.
What kinds of wireless WAN services are available today? What standards are involved with wireless WAN services? What kinds of issues might you encounter?
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