E20-065 Practice Exam Questions and Answers

A.  

It must be easily commanded

B.  

Any type of data can be processed

C.  

Hadoop is required

D.  

Data should be processed quickly

A.  

Precision0.95; Recall: 0704; F1-score: 0.809

B.  

Precision 0.613, Recall: 0.95, F1-score: 0.745

C.  

Precision 0.704, Recall: 0.95; F1-score: 0.809

D.  

Precision 0.95; Recall: 0.613; F1-score: 0.745

A.  

45

B.  

90

C.  

100

D.  

9

A.  

A random subset of features that are chosen at each split in the decision tree

B.  

Filtration of data that does not meet a pre-defined weighting thrsehold

C.  

The creation of out-of-bag (OOB) data that is used to select features

D.  

Removal of highly correlated variables to randomize the features

A.  

One with a few. non-random input variables

B.  

One that has a closed-form solution

C.  

One with numerous, non-random Input-variables

D.  

One that compares "what-if scenarios

A.  

Use WordNet

B.  

Remove common words in a natural language

C.  

Reduce the high dimensionality in text

D.  

Use a set of heuristics

A.  

Pig and Hive

B.  

Hive and HBase

C.  

Yarn and Spark

D.  

All MapReduce jobs

A.  

Color

B.  

Area

C.  

Gradient

D.  

Position

A.  

Use self-explanatory colors so a legend is unnecessary

B.  

Maximize use of color to make a more lasting impression

C.  

Use high contrast colors such as red and blue

D.  

Minimize use of color except for emphasis