Deck 2: Data Science

Question 1

Point out the wrong statement.

A)Hardtop processing capabilities are huge and its real advantage lies in the ability to process terabytes & petabytes of data
B)Hardtop processing capabilities are huge and its real advantage lies in the ability to process terabytes & petabytes of data.
C)The programming model, MapReduce, used by Hadoop is difficult to write and test
D)All of these

Answer 1

The programming model, MapReduce, used by Hadoop is difficult to write and test

Question 2

__________ can best be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data.

A)MapReduce
B)Mahout
C)Oozie
D)All of the mentioned

Answer 2

MapReduce

Question 3

__________ has the world's largest Hadoop cluster.

A)Apple
B)Datamatics
C)Facebook
D)None of the mentioned

Answer 3

Facebook

Question 4

Facebook Tackles Big Data With _______ based on Hadoop.

A)'Project Prism'
B)'Prism'
C)'Project Big'
D)'Project Data'

Question 5

Data science is the process of diverse set of data through ?

A)organizing data
B)processing data
C)analysing data
D)All of the above

Question 6

The modern conception of data science as an independent discipline is sometimes attributed to?

A)William S.
B)John McCarthy
C)Arthur Samuel
D)Satoshi Nakamoto

Question 7

Which of the following language is used in Data science?

A)C
B)C++
C)R
D)Ruby

Question 8

Which of the following is false?

A)Subsetting can be used to select and exclude variables and observations
B)Raw data should be processed only one time.
C)Merging concerns combining datasets on the same observations to produce a result with more variables
D)None Of the above

Question 9

What is the work of Data Architect?

A)utilize large data sets to gather information that meets their company's needs
B)work with businesses to determine the best usage of the information yielded from data
C)build data solutions that are optimized for performance and design applications
D)All of the above

Question 10

Which of the following is correct skills for a Data Scientist?

A)Probability & Statistics
B)Machine Learning / Deep Learning
C)Data Wrangling
D)All of the above

Question 11

Which of the following are correct component for data science?

A)Data Engineering
B)Advanced Computing
C)Domain expertise
D)All of the above

Question 12

Which of the following is not a part of data science process?

A)Discovery
B)Model Planning
C)Communication Building
D)Operationalize

Question 13

Which of the following are the Data Sources in data science?

A)Structured
B)Unstructured
C)Both A and B
D)None Of the above

Question 14

Which of the following is not a application for data science?

A)Recommendation Systems
B)Image & Speech Recognition
C)Online Price Comparison
D)Privacy Checker

Question 15

Point out the correct statement.

A)Raw data is original source of data
B)Preprocessed data is original source of data
C)Raw data is the data obtained after processing steps
D)None of the above

Question 16

Which of the following is one of the key data science skills?

A)Statistics
B)Machine Learning
C)Data Visualization
D)All of the above

Question 17

Which of the following is a key characteristic of a hacker?

A)Afraid to say they don't know the answer
B)Willing to find answers on their own
C)Not Willing to find answers on their own
D)All of the above

Question 18

Raw data should be processed only one time.

A)True
B)False
C)Can be true or false
D)Can not say

Question 19

Which of the following is the common goal of statistical modelling?

A)Inference
B)Summarizing
C)Subsetting
D)None of the above

Question 20

Causal analysis is commonly applied to census data.

A)True
B)False
C)Can be true or false
D)Can not say

Question 21

Which of the following model is usually a gold standard for data analysis?

A)Inferential
B)Descriptive
C)Causal
D)All of the above

Question 22

Which of the following is a revision control system?

A)Git
B)Numpy
C)Scipy
D)Slidify

Question 23

Which of the following step is performed by data scientist after acquiring the data?

A)Data Cleaning
B)Data Integration
C)Data Replication
D)All of the above

Question 24

Which of the following focuses on the discovery of (previously) unknown properties on the data?

A)Data mining
B)BigData
C)Data wrangling
D)Machine Learning

Question 25

Which of the following can be used to create sub-samples using a maximum dissimilarity approach?

A)minDissim
B)maxDissim
C)inmaxDissim
D)All of the Mentioned