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

1. Which project gives you a distributed, Scalable, data store that allows you random, realtime read/write access to hundreds of terabytes of data?

A) Oozie
B) Hive
C) Pig
D) Flume
E) HBase
F) Sqoop
G) Hue

2. Assuming the following Hive query executes successfully:

Which one of the following statements describes the result set?

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

3. MapReduce v2 (MRv2/YARN) is designed to address which two issues?

A) Ability to run frameworks other than MapReduce, such as MPI.
B) Reduce complexity of the MapReduce APIs.
C) Standardize on a single MapReduce API.
D) HDFS latency.
E) Single point of failure in the NameNode.
F) Resource pressure on the JobTracker.

4. Given the following Pig commands:

Which one of the following statements is true?

A) The grouped relation is not valid
B) The severe relation is not valid
C) The $1 variable represents the first column of data in 'my.log'
D) The $1 variable represents the second column of data in 'my.log'

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

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

Solutions: