Try and practice the latest Hortonworks : HADOOP-PR000007 real questions & answers
Updated: Jul 16, 2026
No. of Questions: 110 Questions & Answers with Testing Engine
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Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
1. What is a SequenceFile?
A) A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous writable objects.
B) A SequenceFile contains a binary encoding of an arbitrary number of homogeneous writable objects.
C) A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be
the same type. Each value must be same type.
D) A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in
sorted order.
2. Which HDFS command displays the contents of the file x in the user's HDFS home directory?
A) hadoop fs -Is x
B) hadoop fs -cp x
C) hadoop fs -cat x
D) hdfs fs -get x
3. Which best describes what the map method accepts and emits?
A) It accepts a single key-value pairs as input and can emit any number of key-value pair as output,
including zero.
B) It accepts a single key-value pairs as input and can emit only one key-value pair as output.
C) It accepts a single key-value pair as input and emits a single key and list of corresponding values as
output.
D) It accepts a list key-value pairs as input and can emit only one key-value pair as output.
4. Which one of the following statements is false about HCatalog?
A) Designed to be used by other programs such as Pig, Hive and MapReduce
B) Exists as a subproject of Hive
C) Stores HDFS data in a database for performing SQL-like ad-hoc queries
D) Provides a shared schema mechanism
5. Which one of the following Hive commands uses an HCatalog table named x?
A) SELECT * FROM org.apache.hcatalog.hive.HCatLoader('x');
B) Hive commands cannot reference an HCatalog table
C) SELECT x.-FROM org.apache.hcatalog.hive.HCatLoader('x');
D) SELECT * FROM x;
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
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