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DASCA Senior Data Scientist Sample Questions:

1. Which of the following is correct for Markov chain?

A) Both A and B
B) A Markov chain is a sequence of fixed variables X1, X2
C) A Markov chain is a sequence of random variables X1, X2
D) Both B and C
E) A Markov chain is the state of a system at sequential points in time

2. Which of the following is TRUE for Business Metamorphosis?

A) 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
B) 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
C) All of the above
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) Both A and C

3. Which of the following is NOT a cluster management tool?

A) Apache Ambari
B) Apache Hadoop
C) Apache Mesos
D) Zettaset Orchestrator

4. The Big Data Vision Workshop process is ideal for organizations who:

A) Both A and B
B) All of the above
C) Have a desire to leverage the Big Data Vision Workshop to identify where and how to leverage data and analytics to power their business models
D) Have a wealth of data that they do not know how to monetize
E) Have a desire to leverage Big Data to transform their business but do not know where and how to start

5. 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) Box Plots
C) Pie Charts
D) Histogram
E) Scatter Chart

Solutions: