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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Processing with Pig | - Pig Latin fundamentals
|
| Data Warehousing with Hive | - HiveQL fundamentals
|
| Hadoop Ecosystem Integration | - HDFS interaction - MapReduce basics - Data ingestion and ETL workflows |
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
Which project gives you a distributed, Scalable, data store that allows you random, realtime read/write
access to hundreds of terabytes of data?
- A. Flume
- B. Hive
- C. Pig
- D. HBase
- E. Sqoop
- F. Oozie
- G. Hue
Correct Answer: D 🗳️
Which Hadoop component is responsible for managing the distributed file system metadata?
- A. NameSpaceManager
- B. DataNode
- C. Metanode
- D. NameNode
Correct Answer: D 🗳️
Assuming default settings, which best describes the order of data provided to a reducer's reduce method:
- A. Both the keys and values passed to a reducer always appear in sorted order.
- B. The keys given to a reducer aren't in a predictable order, but the values associated with those keys
always are. - C. Neither keys nor values are in any predictable order.
- D. The keys given to a reducer are in sorted order but the values associated with each key are in no
predictable order
Correct Answer: D 🗳️
Your cluster's HDFS block size in 64MB. You have directory containing 100 plain text files, each of which
is 100MB in size. The InputFormat for your job is TextInputFormat. Determine how many Mappers will
run?
- A. 100
- B. 640
- C. 200
- D. 64
Correct Answer: C 🗳️
Which one of the following Hive commands uses an HCatalog table named x?
- A. SELECT * FROM org.apache.hcatalog.hive.HCatLoader('x');
- B. SELECT x.-FROM org.apache.hcatalog.hive.HCatLoader('x');
- C. Hive commands cannot reference an HCatalog table
- D. SELECT * FROM x;
Correct Answer: A 🗳️
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