DS-200 Examination questions (September)

Achieve New Updated (September) Cloudera DS-200 Examination Questions 31-40

By on September 24, 2015
Ensurepass  QUESTION 31 What is default delimiterfor Hive tables?   A. ^A (Control-A) B. , (comma) C. \t (tab) D. : (colon)   Answer: A Reference:http://blog.spryinc.com/2013/10/four-useful-tricks-for-working-with- hive.html(change the delimiter when exporting hive table)             QUESTION 32 Consider the following sample from a distribution that contains a continuous X and label Y that is either A or B:     Whichis the best Read more [...]

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DS-200 Examination questions (September)

Achieve New Updated (September) Cloudera DS-200 Examination Questions 11-20

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Ensurepass  QUESTION 11 You have a large m x n data matrix M.You decide you want to perform dimension reduction/clustering on your data and have decide to use the singular value decomposition (SVD; also called principal components analysis PCA)   Forthe moment, assumethat your data matrixM is 500 x 2.The figure belowshows a plotof the data.           Which line representsthe secondprincipalcomponent?   A. Blue B. Yellow   Answer: A     Read more [...]

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DS-200 Examination questions (September)

Achieve New Updated (September) Cloudera DS-200 Examination Questions 21-30

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Ensurepass="cursor: auto; margin: 0cm 0cm 0pt; line-height: normal; text-autospace: ; mso-layout-grid-align: none" align="left">  QUESTION 21 Given the following sample of numbers from a distribution:   1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89   What are the five numbers that summarizethis distribution(the fivenumbersummary of samplepercentiles)?   A. 1, 3, 8, 34, 89 B. 1, 4, 13, 34, 89 C. 1, 1.5, 5, 24.5, 89 D. 1, 2.5, 8, 27.5, 89   Answer: A     QUESTION Read more [...]

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DS-200 Examination questions (September)

Achieve New Updated (September) Cloudera DS-200 Examination Questions 1-10

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Ensurepass  Exam A   QUESTION 1 What is the result of thefollowing command (thedatabase username is foo and password is bar)?   $ sqoop list-tables - -connect jdbc :mysql: / /localhost/databasename - -table - - usernamefoo - -password bar   A. sqoop lists only those tables in the specified MySql database that have not already been imported into FDFS B. sqoop returns an error C. sqoop lists the available tables from the database D. sqoopimports all the tables from Read more [...]

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