EMC E20-007 study guide

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EMC Data Science and Big Data Analytics E20-007
Exam Number/Code : E20-007
Exam Name : Data Science and Big Data Analytics
One year free update
Once failed,100% refund
Questions and Answers : 165Q&As
Update Time : 2014-5-6

Free E20-007 Demo Download
3.What would be considered “Big Data”?
A. An OLAP Cube containing customer demographic information about 100,000,000 customers
B. Daily Log files from a web server that receives 100,000 hits per minute
C. Aggregated statistical data stored in a relational database table
D. Spreadsheets containing monthly sales data for a Global 100 corporation
Answer: B

4.A data scientist plans to classify the sentiment polarity of 10, 000 product reviews collected from the
Internet. What is the most appropriate model to use? Suppose labeled training data is available.
A. Na ve Bayesian classifier
B. Linear regression
C. Logistic regression
D. K-means clustering
Answer: A