EMC Advanced Analytics Specialist Exam for Data Scientists - E20-065 Exam Practice Test
A data engineer is asked to process several large datasets using MapReduce. Upon initial inspection the engineer realizes that there are complex interdependencies between the datasets.
Why is this a problem?
Why is this a problem?
Correct Answer: C
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In a connected, undirected graph of 5 nodes with 10 edges, how many more edges need to be added to make the clustering coefficient of every node equal 1 ?
Correct Answer: A
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A hotel chain runs a simul-ation on room pricing. They want to estimate revenue, per hotel, within +/- $10 with 95% confidence (Za/2=1.96). The estimated revenue standard deviation is $5000 based on previous booking data.
What is the optimal number of simulation trials to run?
What is the optimal number of simulation trials to run?
Correct Answer: C
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How is the relative value of a node visualized in a sunburst?
Correct Answer: D
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A marketing team creates a graph using a square for each data point, where the length of each side is set to the data value. The data values are 10 and 20.
What is the lie factor of the graph?
What is the lie factor of the graph?
Correct Answer: A
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In the graph, which edge would be considered a weak lie? Refer to the exhibit.
Correct Answer: A
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