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Real Hortonworks Apache-Hadoop-Developer practice exam questions for easy pass!
Updated: May 27, 2026
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Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. Given the following Hive commands:
Which one of the following statements Is true?
A) The file mydata.txt is copied to a subfolder of /apps/hive/warehouse
B) The file mydata.txt is moved to a subfolder of /apps/hive/warehouse
C) The file mydata.txt does not move from Its current location in HDFS
D) The file mydata.txt is copied into Hive's underlying relational database 0.
2. Identify the tool best suited to import a portion of a relational database every day as files into HDFS, and generate Java classes to interact with that imported data?
A) Hue
B) Hive
C) Flume
D) Oozie
E) Pig
F) Sqoop
G) fuse-dfs
3. Review the following data and Pig code:
What command to define B would produce the output (M,62,95l02) when invoking the DUMP operator on B?
A) B= FOREACH A BY (gender = = 'M' AND zip = = '95102');
B) B = FILTER A BY (zip = = '95102' AND gender = = M");
C) B = JOIN A BY (gender = = 'M' AND zip = = '95102');
D) B= GROUP A BY (zip = = '95102' AND gender = = 'M');
4. You are developing a MapReduce job for sales reporting. The mapper will process input keys representing the year (IntWritable) and input values representing product indentifies (Text).
Indentify what determines the data types used by the Mapper for a given job.
A) The key and value types specified in the JobConf.setMapInputKeyClass and JobConf.setMapInputValuesClass methods
B) The InputFormat used by the job determines the mapper's input key and value types.
C) The data types specified in HADOOP_MAP_DATATYPES environment variable
D) The mapper-specification.xml file submitted with the job determine the mapper's input key and value types.
5. 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, so long as both tables fit into memory.
B) Yes, but only if one of the tables fits into memory
C) No, MapReduce cannot perform relational operations.
D) No, but it can be done with either Pig or Hive.
E) Yes.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: F | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: E |
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