Dell EMC E20-065 Exam Questions Instant Access

Question 1

What is an intended application of the MapReduce framework?

AProcessing can be broken into smaller pieces

BProcessing a large number of small files

CProcessing in real time is required

DProcessing a small subset of data

Answer : A

Question 2

Consider dataset that resides in HDFS. Which tool natively provides the capability to run a Random Forests model against this data?

AMahout

BPig

CHive

DHBase

Answer : A

Question 3

What is a property of a good color model for ordinal data?

AUses a rainbow-like color map for distinction of categories

BUses a rainbow-like color map for ease of display and printing

CUses perceptually ordinal colors with just-noticeable increments

DUses perceptually ordinal colors with linear, perceptual increments

Answer : D

Question 4

In which step in the visualization lifecycle would you determine how the raw data is stored?

AVisualization Planning

BData Preparation

CVisualization Building

DDiscovery

Answer : B

Question 5

You are analyzing written transcripts of focus groups conducted on product X. You approach is to use TF-IDF for your analysis.

What combination of TF-IDF scores should you examine to ensure you only report on the most important terms?

AHigh TF score and high DF score

BHigh TF score and high IDF score

CHigh TF score and low IDF score

DLow TF score and low DF score

Answer : C

Question 6

What are two visualization tools used for trivariate data?

AScatter plot matrix

BHexbin plot and heatmap

CScatter plot matrix and density plot

DScatter plot matrix and heatmap

Answer : B

Question 7

Which library is NOT part of the Apache Spark distribution?

AMLib

BNLTK

CGraphX

DSpark SQL

Answer : B

Dell EMC Data Scientist Advanced Analytics Specialist E20-065 Exam Questions