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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:

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

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

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

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

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

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

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

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

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

5. For each intermediate key, each reducer task can emit:

A) One final key-value pair per value associated with the key; no restrictions on the type.
B) As many final key-value pairs as desired, but they must have the same type as the intermediate
key-value pairs.
C) As many final key-value pairs as desired. There are no restrictions on the types of those key-value
pairs (i.e., they can be heterogeneous).
D) One final key-value pair per key; no restrictions on the type.
E) As many final key-value pairs as desired, as long as all the keys have the same type and all the values
have the same type.

Solutions: