Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer): HADOOP-PR000007 Exam
"Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer)", also known as HADOOP-PR000007 exam, is a Hortonworks Certification. With the complete collection of questions and answers, Pass4sureCert has assembled to take you through 110 Q&As to your HADOOP-PR000007 Exam preparation. In the HADOOP-PR000007 exam resources, you will cover every field and category in HDP Certified Developer Certification helping to ready you for your successful Hortonworks Certification.
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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Hive Development | - Hive optimization and execution - Hive table definitions and queries |
| Hadoop Ecosystem Tools | - Workflow and processing frameworks - Sqoop and data ingestion |
| Pig Development | - Pig data types and UDFs - Pig Latin scripting |
| Hadoop Core Concepts | - HDFS architecture and commands - YARN and MapReduce fundamentals |
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
Which best describes what the map method accepts and emits?
- A. It accepts a single key-value pair as input and emits a single key and list of corresponding values as
output. - 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 pairs as input and can emit any number of key-value pair as output,
including zero. - D. It accepts a list key-value pairs as input and can emit only one key-value pair as output.
Correct Answer: C 🗳️
You are developing a MapReduce job for sales reporting. The mapper will process input keys
representing the year (IntWritable) and input values representing product indentifies (Text).
Indentify what determines the data types used by the Mapper for a given job.
- A. The key and value types specified in the JobConf.setMapInputKeyClass and
JobConf.setMapInputValuesClass methods - B. The data types specified in HADOOP_MAP_DATATYPES environment variable
- C. The InputFormat used by the job determines the mapper's input key and value types.
- D. The mapper-specification.xml file submitted with the job determine the mapper's input key and value
types.
Correct Answer: C 🗳️
Which one of the following statements is FALSE regarding the communication between DataNodes and a
federation of NameNodes in Hadoop 2.0?
- A. DataNodes send periodic heartbeats to all the NameNodes.
- B. DataNodes send periodic block reports to all the NameNodes.
- C. Each DataNode receives commands from one designated master NameNode.
- D. Each DataNode registers with all the NameNodes.
Correct Answer: C 🗳️
Table metadata in Hive is:
- A. Stored along with the data in HDFS.
- B. Stored in ZooKeeper.
- C. Stored in the Metastore.
- D. Stored as metadata on the NameNode.
Correct Answer: C 🗳️
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. JSON
- D. HTML
- E. XML
- F. SequenceFiles
Correct Answer: B 🗳️
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