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

1. 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) Pig assumes the contents of myfile are comma delimited
D) The contents of myfile appear on stdout

2. To use a lava user-defined function (UDF) with Pig what must you do?

A) Define an alias to shorten the function name
B) Pass arguments to the constructor of UDFs implementation class
C) Register the JAR file containing the UDF
D) Put the JAR file into the user's home folder in HDFS

3. Indentify the utility that allows you to create and run MapReduce jobs with any executable
or script as the mapper and/or the reducer?

A) Sqoop
B) Hadoop Streaming
C) Oozie
D) Flume
E) mapred

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

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

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

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

Solutions: