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Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:

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

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

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

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

3. You want to populate an associative array in order to perform a map-side join. You've decided to put this
information in a text file, place that file into the DistributedCache and read it in your Mapper before any
records are processed. Indentify which method in the Mapper you should use to implement code for
reading the file and populating the associative array?

A) init
B) configure
C) map
D) combine

4. What are the TWO main components of the YARN ResourceManager process? Choose 2 answers

A) Job Tracker
B) Applications Manager
C) Task Tracker
D) Scheduler

5. Which one of the following is NOT a valid Oozie action?

A) mrunit
B) hive
C) mapreduce
D) pig

Solutions: