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

1. When is the earliest point at which the reduce method of a given Reducer can be called?

A) As soon as a mapper has emitted at least one record.
B) As soon as at least one mapper has finished processing its input split.
C) It depends on the InputFormat used for the job.
D) Not until all mappers have finished processing all records.

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

3. Which one of the following statements regarding the components of YARN is FALSE?

A) The ResourceManager is responsible for scheduling and allocating resources
B) A client application submits a YARW job to the ResourceManager
C) A Container executes a specific task as assigned by the ApplicationMaster
D) The ResourceManager monitors and restarts any failed Containers

4. What does the following command do?
register '/piggyban):/pig-files.jar';

A) Transforms Pig user-defined functions into a format that Hive can accept
B) Specifies the location of the JAR file containing the user-defined functions
C) Assigns a name to a user-defined function or streaming command
D) Invokes the user-defined functions contained in the jar file

5. Which two of the following statements are true about Pig's approach toward data? Choose 2 answers

A) Accepts tab-delimited text data only
B) Accepts data whether it has metadata or not
C) Accepts only data that has a key/value pair structure
D) Accepts only data that is defined by metadata tables stored in a database
E) Accepts any data: structured or unstructured

Solutions: