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

1. Given the following Pig commands:

Which one of the following statements is true?

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

2. Which HDFS command displays the contents of the file x in the user's HDFS home directory?

A) hadoop fs -Is x
B) hdfs fs -get x
C) hadoop fs -cat x
D) hadoop fs -cp x

3. What data does a Reducer reduce method process?

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

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

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

5. You want to Ingest log files Into HDFS, which tool would you use?

A) Sqoop
B) Ambari
C) Flume
D) HCatalog

Solutions: