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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:

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

1. Review the following data and Pig code.
M,38,95111 F,29,95060 F,45,95192 M,62,95102 F,56,95102
A = LOAD 'data' USING PigStorage('.') as (gender:Chararray, age:int,
zlp:chararray);
B = FOREACH A GENERATE age;
Which one of the following commands would save the results of B to a folder in hdfs named myoutput?

A) DUMP B INTO 'myoutput';
B) STORE B INTO 'myoutput';
C) DUMP B using PigStorage('myoutput');
D) STORE A INTO 'myoutput' USING PigStorage(',');

2. Identify the MapReduce v2 (MRv2 / YARN) daemon responsible for launching application containers and
monitoring application resource usage?

A) ResourceManager
B) TaskTracker
C) JobTracker
D) NodeManager
E) ApplicationMaster
F) ApplicationMasterService

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

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

4. You need to move a file titled "weblogs" into HDFS. When you try to copy the file, you can't. You know you
have ample space on your DataNodes. Which action should you take to relieve this situation and store
more files in HDFS?

A) Decrease the block size on all current files in HDFS.
B) Increase the amount of memory for the NameNode.
C) Increase the number of disks (or size) for the NameNode.
D) Increase the block size on all current files in HDFS.
E) Increase the block size on your remaining files.
F) Decrease the block size on your remaining files.

5. 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 ResourceManager monitors and restarts any failed Containers of the ApplicationMaster
C) The ApplicationMaster requests resources from the ResourceManager
D) The ApplicationMaster starts an instance of the ResourceManager within each Container

Solutions: