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DASCA Senior Data Scientist Sample Questions:
1. Which of the following is NOT a cluster management tool?
A) Zettaset Orchestrator
B) Apache Hadoop
C) Apache Ambari
D) Apache Mesos
2. ElementTree sub-library gives us direct access to:
A) None of the above
B) Parse tree of the XML
C) Insert tree of the XML
D) Delete tree of the XML
E) Copy tree of the XML
3. Which of the following is TRUE for Business Metamorphosis?
A) Both A and C
B) All of the above
C) The Business Metamorphosis phase is where organizations integrate the insights that they captured about their customers' usage patterns, product performance behaviors, and overall market trends to transform their business models
D) Business Metamorphosis exercise can uncover Big Data requirements around decisions, analytics and data sources that can be leveraged to transform or metamorphose your organization's business model
E) The Business Metamorphosis phase helps drive an organization's core business model through the analytic insights gathered as the organization traverses the Big Data Business Model Maturity Index
4. 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) Bar Charts
B) Pie Charts
C) Box Plots
D) Scatter Chart
E) Histogram
5. Which of the following is NOT a valid section of Big Data Strategy document?
A) Business strategy
B) Business decisions
C) Key decisions
D) Key business initiatives
E) Key business entities
Solutions:
Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B |