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

1. Your client application submits a MapReduce job to your Hadoop cluster. Identify the Hadoop daemon on which the Hadoop framework will look for an available slot schedule a MapReduce operation.

A) DataNode
B) NameNode
C) JobTracker
D) Secondary NameNode
E) TaskTracker

2. All keys used for intermediate output from mappers must:

A) Be a subclass of FileInputFormat.
B) Implement a comparator for speedy sorting.
C) Implement WritableComparable.
D) Override isSplitable.
E) Implement a splittable compression algorithm.

3. What is the term for the process of moving map outputs to the reducers?

A) Partitioning
B) Shuffling and sorting
C) Combining
D) Reducing

4. In a MapReduce job with 500 map tasks, how many map task attempts will there be?

A) At least 500.
B) Exactly 500.
C) Between 500 and 1000.
D) It depends on the number of reduces in the job.
E) At most 500.

5. What does Pig provide to the overall Hadoop solution?

A) C++ interface to MapReduce and data warehouse infrastructure
B) Simple scripting language for writing MapReduce programs
C) Legacy language Integration with MapReduce framework
D) Database table and storage management services

Solutions: