Free EMC E20-065 Exam Dumps Questions & Answers

In multinomial logistic regression, what is used to calculate the probability of outcome occurring?

• A.  Logistic function applied to a linear combination of the input variables
• B.  Linear regression applied to a combination of input and outcome variables
• C.  Logistic function applied to a linear combination of the input and outcome variables
• D.  Linear regression applied to a combination of input variables

What is an effective use of color in visualization?

• A.  Minimize use of color except for emphasis
• B.  Maximize use of color to make a more lasting impression
• C.  Use self-explanatory colors so a legend is unnecessary
• D.  Use high contrast colors such as red and blue

What is the most likely reason for an HBase table to contain millions of columns?

• A.  The column names are randomly generated
• B.  There are thousands of columns families
• C.  Data is stored in the column qualifier
• D.  Data is imported from a relational database table

Why would a company decide to use HBase to replace an existing relational database?

• A.  Varying formats of input data requires columns to be added in real time.
• B.  The company's employees are already fluent in SQL.
• C.  It is required for performing ad-hoc queries.
• D.  Existing SQL code will run unchanged on HBase.

Which library is NOT part of the Apache Spark distribution?

• A.  NLTK
• B.  Spark SQL
• C.  GraphX
• D.  MLib