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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

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

Question 1

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

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

Question 2

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

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

Question 3

Which one of the following classes would a Pig command use to store data in a table defined in HCatalog?

A. org.apache.hcatalog.pig.HCatStorer
B. No special class is needed for a Pig script to store data in an HCatalog table
C. org.apache.hcatalog.pig.HCatOutputFormat
D. Pig scripts cannot use an HCatalog table

Question 4

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

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

Question 5

In the reducer, the MapReduce API provides you with an iterator over Writable values. What does calling the next () method return?

A. It returns a reference to a Writable object from an object pool.
B. It returns a reference to a different Writable object time.
C. It returns a reference to the same Writable object if the next value is the same as the previous value, or a new Writable object otherwise.
D. It returns a reference to the same Writable object each time, but populated with different data.
E. It returns a reference to a Writable object. The API leaves unspecified whether this is a reused object or a new object.

Solutions: