ExamTopics Logo
Mail Us[email protected]
Menu
 

E20-007 Actual Exam Questions

Last updated on Dec. 9, 2024.
Vendor:Dell
Exam Code:E20-007
Exam Name:Data Science and Big Data Analytics
Exam Questions:165
97% Passed the exam with this material
 

Topic 1 - Single Topic

Question #1 Topic 1

You are using MADlib for Linear Regression analysis. Which value does the statement return?
SELECT (linregr(depvar, indepvar)).r2 FROM zeta1;

  • A. Goodness of fit
  • B. Coefficients
  • C. Standard error
  • D. P-value
Reveal Solution Hide Solution   Discussion  

Correct Answer: A 🗳️

Question #2 Topic 1

Which data asset is an example of quasi-structured data?

  • A. Webserver log
  • B. XML data file
  • C. Database table
  • D. News article
Reveal Solution Hide Solution   Discussion  

Correct Answer: A 🗳️

Question #3 Topic 1

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
Reveal Solution Hide Solution   Discussion  

Correct Answer: B 🗳️

Question #4 Topic 1

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. Naïve Bayesian classifier
  • B. Linear regression
  • C. Logistic regression
  • D. K-means clustering
Reveal Solution Hide Solution   Discussion  

Correct Answer: A 🗳️

file Viewing page 1 out of 42 pages.
Viewing questions 1-4 out of 165 questions
Next Questions
Browse atleast 50% to increase passing rate cup
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
exam
Someone Bought Contributor Access for:
SY0-701
London, 1 minute ago