Question $161$ pts

Jamie's corporation comes under scrutiny by the media when former employees allege that the IS department failed to correctly identify which data needed protection from unauthorized access. These accusers say that this organization is not ensuring its big data is $\_\_\_\_\_.$

Group of answer choices

secure

organized

valid

relevant

Flag question: Question $17$

Question $171$ pts

Jan is using her firm's data warehouse. If she is starting from monthly sales data, and wishes to get weekly sales data, she should use the $\_\_\_$ feature.

Group of answer choices

roll up

drill down

slice and dice

extract data

Flag question: Question $18$

Question $181$ pts

Marina is a data scientist at a large financial corporation, and therefore she $\_\_\_\_\_.$

Group of answer choices

relies only on her computer science and statistics skills to do her job well

focuses exclusively on accurately collecting and reporting on data

works on a separate team from the business managers and financial analysts

aims to uncover insights that will influence organizational decisions

Flag question: Question $19$

Question $191$ pts

Marshall's company currently maintains their data on in$-$house servers, but his supervisor has asked him to research their options for having some or all of it hosted by a cloud service provider. Which challenge of big data is Marshall helping to address?

Group of answer choices

where and how to store the data

how to derive value from the relevant data

how to choose what subset of data to store

how to find the most relevant data nuggets

Flag question: Question $20$

Question $201$ pts

One key characteristic of big data is that it is being generated at a rate of $2\mathrm{.}5$ quintillion bytes per day. This is known as big data's $\_\_\_\_\_.$

Group of answer choices

variety

volume

veracity

velocity