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Hadoop - Quiz(MCQ)
A)
Bell Labs
B)
Sun Microsystems
C)
Apache Software Foundation
D)
Hadoop Software Foundation

Correct Answer : Option (C) :   Apache Software Foundation


Explanation :

According to its co-founders, Doug Cutting and Mike Cafarella, the genesis of Hadoop was the Google File System paper that was published in October 2003.
 
The Apache Software Foundation has stated that only software officially released by the Apache Hadoop Project can be called Apache Hadoop or Distributions of Apache Hadoop. The naming of products and derivative works from other vendors and the term "compatible" are somewhat controversial within the Hadoop developer community.

A)
1st April 2005
B)
1st April 2006
C)
1st April 2007
D)
1st April 2008

Correct Answer : Option (B) :   1st April 2006

A)
Apache License 1.0
B)
Apache License 2.0
C)
Apache License 2.3
D)
Apache License 2.7

Correct Answer : Option (A) :   Apache License 2.0


Explanation : Hadoop is Open Source, released under Apache 2 license.

A)
C
B)
C++
C)
Python
D)
Java

Correct Answer : Option (D) :   Java


Explanation : The Hadoop framework itself is mostly written in the Java programming language, with some native code in C and Command-line utilities written as shell scripts.

A)
Unix-like
B)
Debian
C)
Bare metal
D)
Cross-platform

Correct Answer : Option (D) :   Cross-platform


Explanation : Hadoop has support for cross-platform operating system.

A)
ZFS
B)
Operating system
C)
RAID
D)
Standard RAID levels

Correct Answer : Option (C) :   RAID


Explanation : With the default replication value, 3, data is stored on three nodes: two on the same rack, and one on a different rack.

A)
MapReduce
B)
Google
C)
Facebook
D)
Functional programming

Correct Answer : Option (A) :   MapReduce


Explanation : MapReduce engine uses to distribute work around a cluster.

A)
Artificial intelligence
B)
Machine learning
C)
Pattern recognition
D)
Statistical classification

Correct Answer : Option (B) :   Machine learning


Explanation : The Apache Mahout project’s goal is to build a scalable machine learning tool.

A)
JAX-RS
B)
Distributed file system
C)
Java Message Service
D)
Relational Database Management System

Correct Answer : Option (B) :   Distributed file system


Explanation : The Hadoop Distributed File System (HDFS) is designed to store very large data sets reliably, and to stream those data sets at high bandwidth to the user.

A)
Google
B)
Google Variations
C)
Google Latitude
D)
Android (operating system)

Correct Answer : Option (A) :   Google


Explanation : Google and IBM Announce University Initiative to Address Internet-Scale.