DASCA : SDS Questions & Answers

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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. OCR (Optical Character Recognition) is an application used for:

A) Big Data Analytics
B) MapReduce
C) Machine learning
D) Data mining

2. Which of the following is used to summarize a dataset by showing the median, quantiles, and min/max values for each of the variables?

A) Histogram
B) Box Plots
C) Scatter Chart
D) Pie Charts
E) Bar Charts

3. What is Scrum?

A) None of the above
B) Scrum and Agile are the same
C) Agile is a subset of Scrum
D) Scrum is a subset of Agile

4. Which of the following is correct?

A) A data frame is a table with rows and columns
B) All of the above
C) Both A and B
D) DataFrame is similar to SQL tables or R data frames
E) The central object in Pandas is called a DataFrame

5. Which of the following is TRUE about Avro?

A) None of the above
B) Both A and B
C) Avro is a data serialization framework
D) Avro is based on Remote Procedure Call (RPC)

Solutions: