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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

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

1. Which YARN component is responsible for monitoring the success or failure of a Container?

A) ResourceManager
B) JobTracker
C) ApplicationMaster
D) NodeManager

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

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

4. Consider the following two relations, A and B.

Which Pig statement combines A by its first field and B by its second field?

A) C = JOIN A SO, B $1;
B) C = JOIN A a1, B b2;
C) C = JOIN A by al, B by b2;
D) C = DOIN B BY a1, A by b2;

5. Which two of the following are true about this trivial Pig program' (choose Two)

A) myfile is read from the user's home directory in HDFS
B) Pig assumes the contents of myfile are comma delimited
C) The contents of myfile appear on stdout
D) ABC has a schema associated with it

Solutions: