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E20-007

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EMC Data Scientist E20-007考试考题由“KillTest认证题库网”资深IT认证讲师和EMC Data Scientist产品专家结合Prometric或VUE的真实考试环境最新原题精心打造。 E20-007考古题助您一次轻松通过考试。本站所售考题含盖了当前最新的真实考题,并且全部附有正确答案,我们承诺对EMC Data Scientist E20-007考试原题完整覆盖。如果您正在准备E20-007考试,它将是最佳的学习助手,是您通过考试取得证照的捷径。

1.To ensure a successful analytic project, which key role can consult and advise the project team on the value of end results and how these will be used on a daily basis?
A. Business User
B. Project Manager
C. Data Scientist
D. Business Intelligence Analyst
Answer: A

2.You have been assigned to do a study of the daily revenue effect of a pricing model of online transactions. All the data currently available to you has been loaded into your analytics database; revenue data, pricing data, and online transaction data. You find that all the data comes in different levels of granularity. The transaction data has timestamps (day, hour, minutes, seconds), pricing is stored at the daily level, and revenue data is only reported monthly.
What is your next step?
A. Report back to the business owner that the current data model does not support the business question.
B. Interpolate a daily model for revenue from the monthly revenue data.
C. Aggregate all data to the monthly level in order to create a monthly revenue model.
D. Disregard revenue as a driver in the pricing model, and create a daily model based on pricing and transactions only.
Answer: A

3.What is required in a presentation for project sponsors?
A. The "Big Picture" takeaways for executive level stakeholders
B. Data warehouse design changes
C. Line by line review of the developed code
D. Detailed statistical basis for the modeling approach used in the project
Answer: A

4.When is the GROUP BY ROLLUP clause used in an OLAP query?
A. All subtotals and grand totals are to be included in the output
B. Subtotals are only to be included in the output
C. Grand totals are only to be included in the output
D. Specific subtotals and grand totals for a combination of variables are only to be included in the output
Answer: A
 

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