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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Warehousing with Hive | - HiveQL fundamentals
|
| Topic 2: Hadoop Ecosystem Integration | - HDFS interaction - MapReduce basics - Data ingestion and ETL workflows |
| Topic 3: Data Processing with Pig | - Pig Latin fundamentals
|
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
Table metadata in Hive is:
- A. Stored in ZooKeeper.
- B. Stored along with the data in HDFS.
- C. Stored as metadata on the NameNode.
- D. Stored in the Metastore.
Which of the following tool was designed to import data from a relational database into HDFS?
- A. HCatalog
- B. Ambari
- C. Sqoop
- D. Flume
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. 64
- B. 640
- C. 200
- D. 100
A NameNode in Hadoop 2.0 manages ______________.
- A. Two namespaces: an active namespace and a backup namespace
- B. An arbitrary number of namespaces
- C. No namespaces
- D. A single namespace
What data does a Reducer reduce method process? Reference: Yahoo! Hadoop Tutorial, Module 4:
MapReduce
- A. All data produced by a single mapper.
- B. All data for a given value, regardless of which mapper(s) produced it.
- C. All the data in a single input file.
- D. All data for a given key, regardless of which mapper(s) produced it.
