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Vendor: Cloudera
Exam Code: DS-200
Exam Name: Data Science Essentials
Certification: CCDH
Total Questions: 60 Q&A
Updated on: Nov 14, 2024
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You are building a k-nearest neighbor classifier (k-NN) on a labeled set of points in a high- dimensional space. You determine that the classifier has a large error on the training data. What is the most likely problem?
A. High-dimensional spaces effectively make local neighborhoods global
B. k-NN compotation does not coverage in high dimensions
C. k was too small
D. The VC-dimension of a k-NN classifier is too high
Which best describes the primary function of Flume?
A. Flume is a platform for analyzing large data sets that consists of a high-level language for expressing data analysis programs, coupled with an infrastructure consisting of sources and sinks for importing and evaluating large data sets
B. Flume acts as a Hadoop filesystem for log files
C. Flume Imports data from SQL/relational database into your Hadoop cluster
D. Flume provides a query languages for Hadoop similar to SQL
E. Flume is a distributed server for collecting and moving large amount of data into HDFS as it's produced from streaming data flows
Which two machine learning algorithm should you consider as likely to benefit from discretizing continuous features?
A. Support vector machine
B. Naïve Bayes
C. Decision trees
D. Logistic regression
E. Singular value decomposition
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