Dell E20-065 - Advanced Analytics Specialist Exam for Data Scientists Exam
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Total 66 questions
Question #1 (Topic: )
What is an ideal use case for HDFS?
A. Storing files that are updated frequently
B. Storing files that are written once and read many times
C. Storing results between Map steps and Reduce steps
D. Storing application files in memory
Answer: B
Question #2 (Topic: )
What are two visualization tools used for trivariate data?
A. Scatter plot matrix
B. Hexbin plot and heatmap
C. Scatter plot matrix and density plot
D. Scatter plot matrix and heatmap
Answer: B
Question #3 (Topic: )
What is a characteristic of the trigram language model?
A. Based on the second-order Markov process
B. Equivalent to trigram hidden Markov models
C. Uses smoothing to reduce the high dimensionality in text
D. Can be used for part-of -speech tagging
Answer: A
Question #4 (Topic: )
How does Latent Dinchlet Allocation (LDA) interpret a document?
A. As a single-predefined topic
B. As a mixture of pre-defined topics
C. As having a mixture of sentiments
D. As having a single pre-defined sentiment
Answer: B
Question #5 (Topic: )
Which graph structure would best model the relationship between job seekers and
employers?
employers?
A. Bipartite
B. Weighted
C. Directed acyclic
D. Ranked
Answer: A
