5 Write a short note on : Prevalence and impact.
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- Invoice-No Client-No Client-Name Product-No John Product-Name Product-Price RA 000 RS 000 Quant 1234 4321 12344 Screen 2 12345 Case 4532 2345 Carl 13678 USB RA00 10 9876 8765 Remy 67800 R20 24 2.1 In which Normal Form is the above table? Explain how you arrived at your answer. 22 Explain the steps required to convert from an unnormalized table to 3" Normal Form. 2.3 Convert the given table into 1" Normal Form. Write your answer as a relation. Eg table name(att1, att2) 2.4 Write out all the dependencies of 2.3. 2.5 Convert the relation in 2.3 into 2 Normal Form. Write your answer as a relation. 2.6 Convert the relation in 2.5 into 34 Normal Form. Write your answer as a relation. 2.7 What is Normalization? 2.8 Explain Boyce-Codd Normal Form.Infer the choice of data structure in case you are running a clinic which looks after patients of all sorts. Is it a good strategy to serve patients on first come first serve basis? Justify your answer with logical reasoning. i. ii. Imagine you have a web-site which serves files to hundred thousand users. You cannot service all requests; you can only handle say thousand at once. A fair policy would be first-come-first serve: i.e. serve 1000 at a time in order of arrival. This implies you will have to store incoming requests. Infer the choice of the most appropriate ADT.Q: Why do we use LINQ ? Explain it with some examples.
- According to Wikipedia, the internet is a global computer network that connects billions of computing devices. [Bibliography required] Using a "nuts and bolts" approach, please give a succinct description of the following three components and the function that each plays in facilitating communication through the internet:Question 10 1. Assume we are using 2 keys: K1 and K2, which of the following schemes is stronger and why? • EDE with 2 keys • EEE with 2 keys 2. Assume we are using a single key: K1 which of the following schemes is stronger and why? • EDE with 1 keys • EEE with 1 keys Please explain the question detailedly. Thank you ......Please define "root authority" for me. Describe a situation where it would be useful.
- 6. What is the percentage increase in the number of requests served (totaled over both sites), relative to the original single-site service? (A) (B) (C) (Đ) (E) 55% 65% 75% 85% 95% Gargle is considering a different alternative, which is te ereato a mirror site server as proposed before, but to keep this invisible to the user. That is, the user will still submit the request as with the original single-site interface, but requests will be automaticaily routed to whichever site becomes available first. (The automatic routing is instantaneous.) As hypoinesized earlier, customer traffic will increase until a second average search completion time results. (note: To analyze this scenario you will need to solve c hon-linear equation. You can do this in-any number of ways, including Goal Seek or Solver in MS Excel. You will not be required to èxecute this kind of calculation on an exam since computers are ne allowed, but the underlying logic of the question is fair game.) 1. What is the…Q.8 Explain OAKLEY key determination protocol.6. Research one web hosting company. Find the phone numbers for their tech support, billing, and sales departments. (There may be just one phone number for everything and you'll have to navigate a phone tree when you call.) Call each one and ask what their typical response times are. a. Which hosting company did you research? b. How long a wait did you have before the Sales team answered? c. What did the Sales operator say the typical hold time was? d. How long a wait did you have before the Billing team answered? What did the Billing operator say the typical hold time was? e. f. How long a wait did you have before the Tech Support team answered? g. What did the Tech Support operator say the typical hold time was? h. What is the monthly or annual cost of hosting? i. Which hosting features offered by this company/plan are attractive/important to you and which are overkill? j. Based on these initial response times and hosting features, would you be willing to sign up with this web host?…