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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:

Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:

Question 1

Examine the following Hive statements:

Assuming the statements above execute successfully, which one of the following statements is true?

A. Each reducer generates a file sorted by age
B. The output is guaranteed to be a single file with all the data sorted by age
C. The SORT BY command causes only one reducer to be used
D. The output of each reducer is only the age column

Question 2

Given the following Hive command:

Which one of the following statements is true?

A. The files in the mydata folder are copied into Hive's underlying relational database
B. The files in the mydata folder are moved to a subfolder of /apps/hive/wa re house
C. The files in the mydata folder do not move from their current location In HDFS
D. The files in the mydata folder are copied to a subfolder of /apps/hlve/warehouse

Question 3

Review the following 'data' file and Pig code.

Which one of the following statements is true?

A. The code executes successfully but there is not output because the D relation is empty
B. The output of the dump d command is (M, {(38,95in),(62,95i02)})
C. The code does not execute successfully because D is not a valid relation
D. The Output Of the DUMP D command IS (M,{(M,62.95102),(M,38,95111)})

Question 4

Given the following Hive commands:

Which one of the following statements Is true?

A. The file mydata.txt does not move from Its current location in HDFS
B. The file mydata.txt is moved to a subfolder of /apps/hive/warehouse
C. The file mydata.txt is copied into Hive's underlying relational database 0.
D. The file mydata.txt is copied to a subfolder of /apps/hive/warehouse

Question 5

Indentify which best defines a SequenceFile?

A. A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in
sorted order.
B. A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous Writable objects
C. A SequenceFile contains a binary encoding of an arbitrary number of homogeneous Writable objects
D. A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be
the same type. Each value must be the same type.

Solutions: