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- Santa is worried about his employee relations, since christmas preparations have led to a lot of overtime. To make sure all the elves are happy, he wants to recruit some of them as complaint officers, with weekly meetings to report any complaints or worries to him. His worker elves W are pretty busy already, so Santa wants to task no more than k elves with this additional workload. Still, Santa wants to make sure that for as many elves e e W as possible, at least one of his friends (whose identities he knows) is a complaint officer. 1. Give an intuitive greedy algorithm that outputs k elves that will serve as compliant officers. 2. Prove that for large numbers of k the algorithm approximates a solution with ratio no more than (1 - ).Denial of Service attacks are estimated to happen once every six months (twice a year) in a mid-size company. One such company, XYZ, estimates the cost of recovering from a single DoS attack to be $12000. The company decides to apply a number of controls to counter these attacks. With these controls, the frequency of successful DoS attacks against the company reduces to once a year and the cost of recovering from an instance becomes $8000. The cost of implementing these controls is $7,000 a year. The annual loss expectancy (ALE) without controls is $ A . The annual loss expectancy (ALE) with controls is $Denial of Service attacks are estimated to happen once every six months (twice a year) in a mid-size company. One such company, XYZ, estimates the cost of recovering from a single DoS attack to be $12000. The company decides to apply a number of controls to counter these attacks. With these controls, the frequency of successful DoS attacks against the company reduces to once a year and the cost of recovering from an instance becomes $8000. The cost of implementing these controls is $7,000 a year. From a purely financial point of view, is it worth for the company to implement these controls? Calculate the prior and post ALE and do a cost-benefit analysis to answer the question. In your answer make sure that you indicate what ARO, SLE and ALE are with and without controls. State clearly whether the company should implement the controls and explain why.
- Denial of Service attacks are estimated to happen once every six months (twice a year) in a mid-size company. One such company, XYZ, estimates the cost of recovering from a single DoS attack to be $10,000. The company decides to apply a number of controls to counter these attacks. With these controls, the frequency of successful DoS attacks against the company reduces to once a year and the cost of recovering from an instance becomes $6,000. The cost of implementing these controls is $12,000 a year. From a purely financial point of view, is it worth for the company to implement these controls? O None of the these Yes, because the measures will save the company $2,000. ONo, because the measures will cost the company $2,000. No, because the measures will cost the company $4,000. Yes, because the measures will save the company save $14,000.How many different channels are needed for six television stations (A, B, C, D, E, F) whose distances (in kilometers) from each other are shown in the following table? Assume that two stations cannot use the same channel when they are within 150 km of each other. You must show your graph to justify your answer. You will not receive credit if you simply state a number. A B с D E F A B 85 с DE F 175 100 50 100 125 85 175 125 100 175 100 50 100 200 100 130 250 - 175 100 130 100 200 250 210 220 100 210 220 100Suppose two mobile phone companies sale their internet packages as 256KB connection for Rs.1500 per month, 512KB connection for Rs. 1900 per month, 1MB connection for Rs. 2800 per month and 4MB connection for Rs. 3800 per month. The table below summarizes the number of connections both companies have sold per month 512KB 1MB 4MB 256 KB 175 Company A Company B 60 22 8. 250 180 65 23 What is total annual revenue of Company A? What is total quarterly reveue of Company B?
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- The below excerpt describes the reimbursement policy for tour-guide expenses of Holiday tours. "There are three reimbursement situations. For single destination tours, the tour-guide can only claim travel mileage for 30 cents per KM. For one-day trip, tour guides could claim mileage of 30 cents per KM and food expenses but depending on the time that the tour starts and ends. To claim expenses for breakfast, the tour should start latest by 7:00 AM and tour ends at 4:00 PM or later. To claim expenses for lunch, tour starts latest by 10:00 AM and ends at 4:00 PM or later. To claim expenses for dinner, tour starts at latest by 10:00 AM and ends at 7:00 PM or later. For trips that involves overnight stay, tour-guides can claim full expenses for lodging and transportation. Food expenses can also be claimed but also depending on the same policy as the One day trip" 1. Use structured English to describe the reimbursement policies. 2. Draw a decision tree to describe the reimbursement policy 3.…A computer manufacturing company is trying to decide whether to purchase specialized assembly equipment todayor to wait 6 years from now, when the equipment will be first needed.If you were to purchase the equipment today it would cost: $704,0006 years from now the equipment would cost: $1,000,962The bank is paying 6.00% interest per year, compounded monthly.Should you buy the equipment now or wait 6 years to buy the equipment?Please send me answer within 10 min!! I will rate you good for sure!! Please provide some explanation!! Every person has a name and an address. A person is uniquely identified by their name. There are two groups of persons, staff and students. A person can be a student and staff at the same time Every staff receives a salary, while every student pays a fee. Among the staff, there is research and teaching staff. A staff can belong to both groups. Among the teaching staff, there are lecturers and TAs. A TA works for several courses. (course does not need to be an entity, just add a courseID attribute to an entity TA) Every student is either a graduate student or an undergraduate student. A graduate student has a thesis title, on which he/she is working. An undergrad is in the final year if he/she is in his/her 4th year. Every final year student is working on a project. Every final year student is supervised by a member of the teaching staff. Your task: Design an E-R diagram that…