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

1. Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?

A) The ApplicationMaster requests resources from the ResourceManager
B) The ApplicationMaster starts a single instance of the ResourceManager
C) The ResourceManager monitors and restarts any failed Containers of the ApplicationMaster
D) The ApplicationMaster starts an instance of the ResourceManager within each Container

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

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

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

4. Identify the tool best suited to import a portion of a relational database every day as files into HDFS, and generate Java classes to interact with that imported data?

A) fuse-dfs
B) Flume
C) Pig
D) Oozie
E) Hue
F) Sqoop
G) Hive

5. 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) Secondary NameNode
B) TaskTracker
C) DataNode
D) NameNode
E) JobTracker

Solutions: