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Hortonworks Data Platform Certified Developer (HDPCD) - Hworks Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
108 Total Questions
1
Question
Which one of the following is NOT a valid Oozie action?
Options
A mapreduce
B mrunit
C hive
D pig
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2
Question
You use the hadoop fs –put command to write a 300 MB file using and HDFS block size of 64 MB. Just after this command has finished writing 200 MB of this file, what would another user see when trying to access this life?
Options
A They would see no content until the whole file written and closed.
B They would see the current state of the file, up to the last bit written by the command.
C They would see the current of the file through the last completed block.
D They would see Hadoop throw an ConcurrentFileAccessException when they try to access this file.
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3
Question
Which HDFS command copies an HDFS file named foo to the local filesystem as localFoo?
Options
A hadoop fs -get foo LocalFoo
B hadoop -cp foo LocalFoo
C hadoop fs -Is foo
D hadoop fs -put foo LocalFoo
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4
Question
For each input key-value pair, mappers can emit:
Options
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 One intermediate key-value pair, of a different type.
C As many intermediate key-value pairs as designed, but they cannot be of the same type as the input key-value pair.
D 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).
E One intermediate key-value pair, but of the same type.
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5
Question
Which one of the following statements is false about HCatalog?
Options
A Provides a shared schema mechanism
B Exists as a subproject of Hive
C Designed to be used by other programs such as Pig, Hive and MapReduce
D Stores HDFS data in a database for performing SQL-like ad-hoc queries
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