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Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:

1. Which TWO of the following statements are true regarding Hive? Choose 2 answers

A) Offers real-time queries and row level updates
B) Useful for data analysts familiar with SQL who need to do ad-hoc queries
C) Allows you to define a structure for your unstructured Big Data
D) Is a relational database

2. You want to run Hadoop jobs on your development workstation for testing before you submit them to your
production cluster. Which mode of operation in Hadoop allows you to most closely simulate a production
cluster while using a single machine?

A) Run simldooop, the Apache open-source software for simulating Hadoop clusters.
B) Run the hadoop command with the -jt local and the -fs file:///options.
C) Run all the nodes in your production cluster as virtual machines on your development workstation.
D) Run the DataNode, TaskTracker, NameNode and JobTracker daemons on a single machine.

3. Which best describes how TextInputFormat processes input files and line breaks?

A) The input file is split exactly at the line breaks, so each RecordReader will read a series of complete
lines.
B) Input file splits may cross line breaks. A line that crosses file splits is read by the RecordReaders of
both splits containing the broken line.
C) Input file splits may cross line breaks. A line that crosses file splits is read by the RecordReader of the
split that contains the end of the broken line.
D) Input file splits may cross line breaks. A line that crosses file splits is ignored.
E) Input file splits may cross line breaks. A line that crosses file splits is read by the RecordReader of the
split that contains the beginning of the broken line.

4. Which HDFS command uploads a local file X into an existing HDFS directory Y?

A) hadoop fs -localPut X Y
B) hadoop fs-put X Y
C) hadoop scp X Y
D) hadoop fs -get X Y

5. You want to Ingest log files Into HDFS, which tool would you use?

A) HCatalog
B) Ambari
C) Sqoop
D) Flume

Solutions: