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

1. Consider the following two relations, A and B.

What is the output of the following Pig commands?
X = GROUP A BY S1; DUMP X;

A) Option A
B) Option D
C) Option B
D) Option C

2. MapReduce v2 (MRv2/YARN) splits which major functions of the JobTracker into separate
daemons? Select two.

A) Managing tasks
B) Launching tasks
C) Job coordination between the ResourceManager and NodeManager
D) Resource management
E) Job scheduling/monitoring
F) Managing file system metadata
G) MapReduce metric reporting
H) Heath states checks (heartbeats)

3. You want to run Hadoop jobs on your development workstation for testing before you submit them to your production cluster. Which mode of operation in Hadoop allows you to most closely simulate a production cluster while using a single machine?

A) Run the DataNode, TaskTracker, NameNode and JobTracker daemons on a single machine.
B) Run simldooop, the Apache open-source software for simulating Hadoop clusters.
C) Run the hadoop command with the -jt local and the -fs file:///options.
D) Run all the nodes in your production cluster as virtual machines on your development workstation.

4. Which of the following tool was designed to import data from a relational database into HDFS?

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

5. Given the following Hive commands:

Which one of the following statements Is true?

A) The file mydata.txt is copied into Hive's underlying relational database 0.
B) The file mydata.txt is copied to a subfolder of /apps/hive/warehouse
C) The file mydata.txt does not move from Its current location in HDFS
D) The file mydata.txt is moved to a subfolder of /apps/hive/warehouse

Solutions: