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

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

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

2. 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) Resource pressure on the JobTracker.
D) HDFS latency.
E) Reduce complexity of the MapReduce APIs.
F) Standardize on a single MapReduce API.

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

4. What is a SequenceFile?

A) A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous writable objects.
B) A SequenceFile contains a binary encoding of an arbitrary number of homogeneous writable objects.
C) A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be the same type. Each value must be same type.
D) A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in sorted order.

5. 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) Flume
B) mapred
C) Sqoop
D) Oozie
E) Hadoop Streaming

Solutions: