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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

Assuming the following Hive query executes successfully:

Which one of the following statements describes the result set?

A. A trigram of the top 80 sentences that contain "you are" followed by a null space in the lines column of the inputdata table.
B. A bigram of the top 80 sentences that contain the substring "you are" in the lines column of the input data A1 table.
C. A frequency distribution of the top 80 words that follow the subsequence "you are" in the lines column of the inputdata table.
D. An 80-value ngram of sentences that contain the words "you" or "are" in the lines column of the inputdata table.

Question 2

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

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

Question 3

Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?

A. The ApplicationMaster starts a single instance of the ResourceManager
B. The ApplicationMaster starts an instance of the ResourceManager within each Container
C. The ApplicationMaster requests resources from the ResourceManager
D. The ResourceManager monitors and restarts any failed Containers of the ApplicationMaster

Question 4

Which one of the following files is required in every Oozie Workflow application?

A. job.properties
B. Oozie.xml
C. Config-default.xml
D. Workflow.xml

Question 5

To process input key-value pairs, your mapper needs to lead a 512 MB data file in memory. What is the best way to accomplish this?

A. Serialize the data file, insert in it the JobConf object, and read the data into memory in the configure method of the mapper.
B. Place the data file in the DataCache and read the data into memory in the configure method of the mapper.
C. Place the data file in the DistributedCache and read the data into memory in the configure method of the mapper.
D. Place the data file in the DistributedCache and read the data into memory in the map method of the mapper.

Solutions: