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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:

Question 1

Which one of the following statements is false about HCatalog?

A. Exists as a subproject of Hive
B. Designed to be used by other programs such as Pig, Hive and MapReduce
C. Stores HDFS data in a database for performing SQL-like ad-hoc queries
D. Provides a shared schema mechanism

Question 2

A client application creates an HDFS file named foo.txt with a replication factor of 3. Identify which best describes the file access rules in HDFS if the file has a single block that is stored on data nodes A, B and C?

A. The file can be accessed if at least one of the data nodes storing the file is available.
B. Each data node stores a copy of the file in the local file system with the same name as the HDFS file.
C. The file will be marked as corrupted if data node B fails during the creation of the file.
D. Each data node locks the local file to prohibit concurrent readers and writers of the file.

Question 3

Which one of the following files is required in every Oozie Workflow application?

A. Config-default.xml
B. Oozie.xml
C. Workflow.xml
D. job.properties

Question 4

Examine the following Hive statements:

Assuming the statements above execute successfully, which one of the following statements is true?

A. The SORT BY command causes only one reducer to be used
B. Each reducer generates a file sorted by age
C. The output of each reducer is only the age column
D. The output is guaranteed to be a single file with all the data sorted by age

Question 5

Which project gives you a distributed, Scalable, data store that allows you random, realtime read/write access to hundreds of terabytes of data?

A. Pig
B. Oozie
C. HBase
D. Hue
E. Flume
F. Hive
G. Sqoop

Solutions: