CCA-500過去問題、DS-200出題範囲

NO.1 Refer to the exhibit.
Which point in the figure is the mode?
A. A
B. B
C. C
Answer: C

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NO.2 What is the most common reason for a k-means clustering algorithm to returns a sub-optimal
clustering of its input?
A. Non-negative values for the distance function
B. Input data set is too large
C. Non-normal distribution of the input data
D. Poor selection of the initial controls
Answer: C

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NO.3 Refer to the exhibit.
Which point in the figure is the median?
A. A
B. B
C. C
Answer: A

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NO.4 Certain individuals are more susceptible to autism if they have particular combinations of
genes expressed in their DNA. Given a sample of DNA from persons who have autism and a sample
of DNA from persons who do not have autism, determine the best technique for predicting whether
or not a given individual is susceptible to developing autism?
A. Native Bayes
B. Linear Regression
C. Survival analysis
D. Sequencealignment
Answer: B

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NO.5 You are working with a logistic regression model to predict the probability that a user will click
on an ad. Your model has hundreds of features, and you're not sure if all of those features are
helping your prediction. Which regularization technique should you use to prune features that
aren't contributing to the model?
A. Convex
B. Uniform
C. L2
D. L1
Answer: A

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NO.6 What is default delimiter for Hive tables?
A.