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Last Updated: Oct 02, 2026
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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Ingestion | 25% | - Import/export data using Sqoop - Ingest streaming data with Flume - Load data into HDFS from external sources |
| Topic 2: Apache Hive Development | 25% | - Write and optimize HiveQL queries - Use Hive functions, views, and metastore - Create and manage Hive tables, partitions, and buckets |
| Topic 3: Hadoop Fundamentals & Architecture | 20% | - YARN architecture and job execution - MapReduce concepts and job lifecycle - HDFS operations and file management |
| Topic 4: Apache Pig Development | 30% | - Debug and tune Pig jobs - Data transformation, filtering, joining, and aggregation - Write and optimize Pig Latin scripts |
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
For each intermediate key, each reducer task can emit:
- A. 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).
- B. As many final key-value pairs as desired, but they must have the same type as the intermediate key-value pairs.
- C. One final key-value pair per key; no restrictions on the type.
- D. One final key-value pair per value associated with the 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.
Correct Answer: E 🗳️
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For each input key-value pair, mappers can emit:
- A. As many intermediate key-value pairs as designed, as long as all the keys have the same types and all the values have the same type.
- B. As many intermediate key-value pairs as designed, but they cannot be of the same type as the input key-value pair.
- C. As many intermediate key-value pairs as designed. There are no restrictions on the types of those key-value pairs (i.e., they can be heterogeneous).
- D. One intermediate key-value pair, but of the same type.
- E. One intermediate key-value pair, of a different type.
Correct Answer: A 🗳️
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What does the following command do?
register '/piggyban):/pig-files.jar';
- A. Invokes the user-defined functions contained in the jar file
- B. Assigns a name to a user-defined function or streaming command
- C. Specifies the location of the JAR file containing the user-defined functions
- D. Transforms Pig user-defined functions into a format that Hive can accept
Correct Answer: C 🗳️
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 is responsible for scheduling and allocating resources
- C. The ResourceManager monitors and restarts any failed Containers
- D. A client application submits a YARW job to the ResourceManager
Correct Answer: C 🗳️
All keys used for intermediate output from mappers must:
- A. Implement a comparator for speedy sorting.
- B. Override isSplitable.
- C. Implement a splittable compression algorithm.
- D. Be a subclass of FileInputFormat.
- E. Implement WritableComparable.
Correct Answer: E 🗳️
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