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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 YARN component is responsible for monitoring the success or failure of a Container?

A) ResourceManager
B) NodeManager
C) ApplicationMaster
D) JobTracker

2. What data does a Reducer reduce method process?

A) All data for a given value, regardless of which mapper(s) produced it.
B) All data produced by a single mapper.
C) All data for a given key, regardless of which mapper(s) produced it.
D) All the data in a single input file.

3. Which HDFS command copies an HDFS file named foo to the local filesystem as localFoo?

A) hadoop -cp foo LocalFoo
B) hadoop fs -get foo LocalFoo
C) hadoop fs -put foo LocalFoo
D) hadoop fs -Is foo

4. Indentify which method in the Mapper you should use to implement code for reading the file and populating the associative array?

A) map
B) configure
C) combine
D) init

5. 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 = FILTER A BY (zip = = '95102' AND gender = = M");
B) B= GROUP 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');

Solutions: