Hortonworks HADOOP-PR000007 : Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer)

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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:

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

Question 1

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

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

Question 2

You need to perform statistical analysis in your MapReduce job and would like to call methods in the
Apache Commons Math library, which is distributed as a 1.3 megabyte Java archive (JAR) file. Which is
the best way to make this library available to your MapReducer job at runtime?

A. Have your system administrator copy the JAR to all nodes in the cluster and set its location in the
HADOOP_CLASSPATH environment variable before you submit your job.
B. Have your system administrator place the JAR file on a Web server accessible to all cluster nodes and
then set the HTTP_JAR_URL environment variable to its location.
C. When submitting the job on the command line, specify the -libjars option followed by the JAR file path.
D. Package your code and the Apache Commands Math library into a zip file named JobJar.zip

Question 3

You want to perform analysis on a large collection of images. You want to store this data in HDFS and
process it with MapReduce but you also want to give your data analysts and data scientists the ability to
process the data directly from HDFS with an interpreted high-level programming language like Python.
Which format should you use to store this data in HDFS?

A. CSV
B. Avro
C. HTML
D. XML
E. SequenceFiles
F. JSON

Question 4

Indentify which best defines a SequenceFile?

A. A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in
sorted order.
B. A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous Writable objects
C. A SequenceFile contains a binary encoding of an arbitrary number of homogeneous Writable objects
D. A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be
the same type. Each value must be the same type.

Question 5

You have user profile records in your OLPT database, that you want to join with web logs you have
already ingested into the Hadoop file system. How will you obtain these user records?

A. Sqoop import
B. Hive LOAD DATA command
C. Ingest with Hadoop Streaming
D. HDFS command
E. Ingest with Flume agents
F. Pig LOAD command

Solutions: