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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

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

1. Which Hadoop component is responsible for managing the distributed file system metadata?

A) Metanode
B) NameSpaceManager
C) NameNode
D) DataNode

2. 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?

A) They would see the current state of the file, up to the last bit written by the command.
B) They would see the current of the file through the last completed block.
C) They would see Hadoop throw an ConcurrentFileAccessException when they try to access this file.
D) They would see no content until the whole file written and closed.

3. All keys used for intermediate output from mappers must:

A) Override isSplitable.
B) Implement a comparator for speedy sorting.
C) Implement WritableComparable.
D) Implement a splittable compression algorithm.
E) Be a subclass of FileInputFormat.

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

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

5. Your client application submits a MapReduce job to your Hadoop cluster. Identify the Hadoop daemon on which the Hadoop framework will look for an available slot schedule a MapReduce operation.

A) NameNode
B) TaskTracker
C) JobTracker
D) Secondary NameNode
E) DataNode

Solutions: