Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) : HADOOP-PR000007

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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:

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

Question 1

Which one of the following Hive commands uses an HCatalog table named x?

A. Hive commands cannot reference an HCatalog table
B. SELECT * FROM x;
C. SELECT * FROM org.apache.hcatalog.hive.HCatLoader('x');
D. SELECT x.-FROM org.apache.hcatalog.hive.HCatLoader('x');

Question 2

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

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

Question 3

On a cluster running MapReduce v1 (MRv1), a TaskTracker heartbeats into the JobTracker on your
cluster, and alerts the JobTracker it has an open map task slot.
What determines how the JobTracker assigns each map task to a TaskTracker?

A. The average system load on the TaskTracker node over the past fifteen (15) minutes.
B. The number and speed of CPU cores on the TaskTracker node.
C. The amount of free disk space on the TaskTracker node.
D. The amount of RAM installed on the TaskTracker node.
E. The location of the InsputSplit to be processed in relation to the location of the node.

Question 4

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

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

Question 5

Which Two of the following statements are true about hdfs? Choose 2 answers

A. An HDFS file that is larger than dfs.block.size is split into blocks
B. Block sizes for all files must be the same size
C. HDFS works best when storing a large number of relatively small files
D. Blocks are replicated to multiple datanodes

Solutions: