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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:

1. Which one of the following files is required in every Oozie Workflow application?

A) Workflow.xml
B) job.properties
C) Config-default.xml
D) Oozie.xml

2. Which two of the following are true about this trivial Pig program' (choose Two)

A) The contents of myfile appear on stdout
B) Pig assumes the contents of myfile are comma delimited
C) myfile is read from the user's home directory in HDFS
D) ABC has a schema associated with it

3. Review the following data and Pig code:

What command to define B would produce the output (M,62,95l02) when invoking the DUMP operator on B?

A) B= GROUP A BY (zip = = '95102' AND gender = = 'M');
B) B = FILTER A BY (zip = = '95102' AND gender = = M");
C) B = JOIN A BY (gender = = 'M' AND zip = = '95102');
D) B= FOREACH A BY (gender = = 'M' AND zip = = '95102');

4. In a large MapReduce job with m mappers and n reducers, how many distinct copy
operations will there be in the sort/shuffle phase?

A) mn (i.e., m to the power of n)
B) m+n (i.e., m plus n)
C) m
D) mXn (i.e., m multiplied by n)
E) n

5. Assuming the following Hive query executes successfully:

Which one of the following statements describes the result set?

A) A bigram of the top 80 sentences that contain the substring "you are" in the lines column of the input data A1 table.
B) A trigram of the top 80 sentences that contain "you are" followed by a null space in the lines column of the inputdata table.
C) A frequency distribution of the top 80 words that follow the subsequence "you are" in the lines column of the inputdata table.
D) An 80-value ngram of sentences that contain the words "you" or "are" in the lines column of the inputdata table.

Solutions: