Unit 5: Big Data AP Practice Exam Questions and Answers(A+ Solution guide)

Which of the following is NOT a benefit of making digital information and scientific databases openly available across the internet? - Answer-Inaccurate and misleading data can be more easily disseminated to scientific researchers. Which of the following tasks best shows an example where the searching and sorting techniques of big data may be involved? There are TWO correct answers. - Answer-1. Creating a seating chart for a classroom based on an alphabetized list of student Names 2. Keeping track of all employees' email use to see how many personal or work-related emails are sent during work time to check for productivity There are many computer applications that have been designed to help people search through large data sets to find patterns. However, not all questions require a search for a hidden pattern. Seeking the answer to which of the following questions is least likely to require an investment in software: - AnswerWhich contestants took the top three prizes in a talent show at a neighborhood block party? Google has access to a lot of data. One way to make use of the data collected by Google is to examine the relative popularity of search terms using the Google Trends feature. This tool allows users to identify trends across geographies and time, and within categories like Real Estate, Sports, Shopping, Pets & Animals, Books & Literature and Arts & Entertainment. Google Trends would be most helpful for determining which of the following? - Answer-Which week is the best week to send advertisements to parents who want Fidget Spinners or other popular toys for their children around the holidays. Both small and big businesses can benefit from using big data in their organization. Which of the following are ways businesses could use big data to their advantage? - Answer-- Big data could be used to give the company a competitive edge by looking at data that can tell them where they are lagging behind in comparison to other companies, allowing them to make changes accordingly. - Big data could help keep track of how well a promotional offer worked for a company and can determine if it would be worthwhile to run the promotion again. - Big data regarding customer behavior could be collected and analyzed in real time and then used to implement real time solutions. (ALL OF THESE)A popular restaurant collects data on the food their patrons are ordering. They hope that this will allow them to be better informed about what items they need to order in preparation for the next week. What would be the best way for the restaurant to collect this data with that end goal in mind? - Answer-Record the major meat, vegetable and fruit components of the meals each customer ordered (steak - corn - apples, fish - peas - peaches, etc). The table below shows the time a computer system takes to complete a specified task on the customer data of different-sized companies. Based on the information in the table, which of the following tasks is likely to take the longest amount of time when scaled up for a very large company of approximately 100,000 customers? - Answer-Sorting data Many universities have multiple campuses which students can attend. For example, The Pennsylvania State University has 24 total campuses. Although there are different campuses, some staff and employees have access to student records from all campuses in a large database. Which of the following is NOT a relevant factor which should be considered by a University in the development and creation of a database of this type? - Answer-How to ensure that there is a complete copy of the database stored at every campus A local high school recently won the girls volleyball championships and has been rewarded with $5,000 to purchase merchandise for the team. The coach is trying to surprise the players with the merchandise, so instead of asking them what sizes they want, he will attempt to figure out how many items of each size need to be ordered based on the information from the volleyball program. The following information is stored in the program for each player: Name Age Grade Height Weight Jersey number Position What would be the best way for the coach to use this information in order to order sizes that work for the majority of the team? - Answer-Sort the data by height and weight and order smaller sizes for the girls that are shorter and weigh less and order larger sizes for the girls that are taller and weigh more.Web browsers such as Google Chrome and Mozilla Firefox allow users to browse the web in an anonymous session. When the session is ended, any browsing history and cookies created from the session are deleted. Which of the following statements best describes the security situation when browsing using anonymous mode. - Answer-Although local browsing data will not be stored, websites can see your IP and track your activity if you log in to accounts on these sites.