Big Data Final Exam Questions With Verified Answers

Big Data Final Exam Questions With Verified Answers Which analytics does the following fall into: Alice notice that call center always have an increase in the number of customer complaints during last week in May, so she decides reviews the employees work schedule in the month of May for the past 5 years. - answer Datasets continue to become - answerlarger, more diverse, more complex and streaming- centric Model used for predictive analytic have implicit dependencies on the conditions under which the past events occurred. If the underlying condition changes then, the models used for the predictions - answerneed to be updated Which analytics does the following fall into: Alice notices that customer service complaints go down when temporary employees from external staffing agency is used; so, what would are the chances that Alice will use ACME Staffing in the future? - answer Prescriptive analytics involve the use of __________________ and large amounts of internal and external data to simulate outcomes and prescribe the best course of action. - answerbusiness rules Big Data addresses distinct requirements such as - answerProcessing of large amounts of unstructured data & Combining of multiple unrelated datasets The management and analysis of large datasets has been a long standing problem. - answerTrue Prescriptive Analytics can be used to _______________ or __________________. - answergain an advantage OR mitigate a risk Which analytics does the following fall into: Alice needs to determine which staffing agency employees maintain a higher level of customer satisfaction. - answer Big Data adds newer techniques that leverage computational ___________ and approaches to execute analytic algorithms. - answerresources Noise is data that can be converted into information and thus has no value, whereas signals do not have value and cannot lead to meaningful information. - answerTrue Which is not part of the Big Data characteristics? - answervariable Data _________ refers to the multiple formats and types of data that need to be supported by Big Data solutions. - answervariety From an enterprise's point of view the ________of data translates into the amount time it takes for the data to be processed once it enters the enterprise's perimeter. - answer The data processed by big data solutions can be ______________ or ________________. - answerhuman-generated OR machine-generated The anticipated volume of data that is processed by Big Data solutions is substantial and ever- growing. - answervolume Data variety brings challenges for enterprises in terms of data ________, transformation, processing, and __________. - answerintegration, storage Business Intelligence (BI) enables an organization to gain insight into the performance of an enterprise by analyzing data generated by its _______________ and _____________________. - answerinformation systems, business process Veracity refers to the quality or ______ of data. - answerfidelity Performance Indicators are often used to ________________________ and _________________________. - answerdemonstrate regulatory compliance, identify business performance problems Recognizing that external data brings additional context to their internal data allows a corporation to move up the analytic value chain from hindsight to insight with greater ease. - answerTrue The Information and Communications Technology (ICT) developments that have accelerated the pace of Big Data adoption in businesses include all but: - answeradvancement in employee management IoE-specific companies can leverage Big Data to establish and optimize ___________ and offer them to third parties as outsourced business processes. - answerworkflows Customer reviews, complaints, and praises from social media sites ______ Big Data analysis algorithms. - answerfeed