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Instant Download Hortonworks : Apache-Hadoop-Developer Questions & Answers as PDF & Test Engine
- Exam Code: Apache-Hadoop-Developer
- Exam Name: Hadoop 2.0 Certification exam for Pig and Hive Developer
- Updated: Sep 10, 2026
- No. of Questions: 110 Questions and Answers
- Download Limit: Unlimited
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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Analysis with Hive | - Hive query development
|
| Topic 2: Data Transformation with Pig | - Pig Latin programming
|
| Topic 3: Data Processing | - End-to-end Hadoop workflows
|
| Topic 4: Data Ingestion | - Import data into Hadoop
|
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
In a large MapReduce job with m mappers and n reducers, how many distinct copy
operations will there be in the sort/shuffle phase?
- A. m
- B. mn (i.e., m to the power of n)
- C. m+n (i.e., m plus n)
- D. n
- E. mXn (i.e., m multiplied by n)
Correct Answer: E 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
You want to run Hadoop jobs on your development workstation for testing before you submit them to your production cluster. Which mode of operation in Hadoop allows you to most closely simulate a production cluster while using a single machine?
- A. Run all the nodes in your production cluster as virtual machines on your development workstation.
- B. Run simldooop, the Apache open-source software for simulating Hadoop clusters.
- C. Run the DataNode, TaskTracker, NameNode and JobTracker daemons on a single machine.
- D. Run the hadoop command with the -jt local and the -fs file:///options.
Correct Answer: C 🗳️
You've written a MapReduce job that will process 500 million input records and generated 500 million key-value pairs. The data is not uniformly distributed. Your MapReduce job will create a significant amount of intermediate data that it needs to transfer between mappers and reduces which is a potential bottleneck. A custom implementation of which interface is most likely to reduce the amount of intermediate data transferred across the network?
- A. WritableComparable
- B. Writable
- C. InputFormat
- D. Partitioner
- E. OutputFormat
- F. Combiner
Correct Answer: F 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
A combiner reduces:
- A. The number of output files a reducer must produce.
- B. The number of input files a mapper must process.
- C. The number of values across different keys in the iterator supplied to a single reduce method call.
- D. The amount of intermediate data that must be transferred between the mapper and reducer.
Correct Answer: D 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
What does the following command do?
register '/piggyban):/pig-files.jar';
- A. Specifies the location of the JAR file containing the user-defined functions
- B. Invokes the user-defined functions contained in the jar file
- C. Transforms Pig user-defined functions into a format that Hive can accept
- D. Assigns a name to a user-defined function or streaming command
Correct Answer: A 🗳️
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