Download Hortonworks : Apache-Hadoop-Developer Questions & Answers as PDF & Test Software
Updated: May 29, 2026
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Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. Which one of the following classes would a Pig command use to store data in a table defined in HCatalog?
A) org.apache.hcatalog.pig.HCatStorer
B) org.apache.hcatalog.pig.HCatOutputFormat
C) No special class is needed for a Pig script to store data in an HCatalog table
D) Pig scripts cannot use an HCatalog table
2. Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?
A) The ResourceManager monitors and restarts any failed Containers of the ApplicationMaster
B) The ApplicationMaster starts an instance of the ResourceManager within each Container
C) The ApplicationMaster starts a single instance of the ResourceManager
D) The ApplicationMaster requests resources from the ResourceManager
3. You have a directory named jobdata in HDFS that contains four files: _first.txt, second.txt, .third.txt and #data.txt. How many files will be processed by the FileInputFormat.setInputPaths () command when it's given a path object representing this directory?
A) None, the directory cannot be named jobdata
B) Four, all files will be processed
C) Two, file names with a leading period or underscore are ignored
D) Three, the pound sign is an invalid character for HDFS file names
E) One, no special characters can prefix the name of an input file
4. Can you use MapReduce to perform a relational join on two large tables sharing a key? Assume that the two tables are formatted as comma-separated files in HDFS.
A) Yes, but only if one of the tables fits into memory
B) No, MapReduce cannot perform relational operations.
C) No, but it can be done with either Pig or Hive.
D) Yes, so long as both tables fit into memory.
E) Yes.
5. Which HDFS command displays the contents of the file x in the user's HDFS home directory?
A) hadoop fs -cat x
B) hdfs fs -get x
C) hadoop fs -Is x
D) hadoop fs -cp x
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: E | Question # 5 Answer: A |
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