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29. Based on scenario presented in the previous question (#28), a customer is identified by Customer ID and a DVD is identified by DVD ID. A table that stores details of who has rented which DVD over time will have:a.Customer ID as a foreign keyb.DVD ID as a foreign keyc.Customer ID and DVD ID as a part of the primary key
d.All of the above30. Companies can use data collected from customers during transactions to understand the customers’ preferences. This knowledge about customers can be used to better target and personalize the company’s sales and marketing efforts. It also helps to decrease the:31. What is the output of the following formula in Excel? IF(1>=1, IF(2<>1,1,3,),2)+132. What is the output of the following formula in Excel? IF(NOT(AND(1>1, 2>1)), 1, 2) + IF(NOT(OR(1>1, 2>1)), -1, 1)33. If a restaurant starts delivering food to customers using drones which of the primary activities of their value chain will they be directly effecting:a.Inbound logisticsb.Administrative Supportc.Procurementd.Outbound logistics34. Which of these is not an advantage of using databases as opposed to
35. There are __________ parameters in the following URL*g=d36. In the online talk titled “The key to growth? Race with the machine”, Erik Brynjolfsson mentions ________ as the most important invention.ANSWER KEY1. D2. A3. A4. B5. B6. A7. C8. B9. C10.D11.C12.A13.B14.D15.C16.C17.B18.D19.D20.C21.C