Q.1.
DFS stands for what?
Q.2.
The command “hadoop fs -test -z URI “ gives the result 0 if
Q.3.
What is HDFS?
Q.4.
Hadoop Framework is written in
Q.5.
Which type of data Hadoop can deal with?
Q.6.
The source of HDFS architecture in Hadoop originated as
Q.7.
A file in HDFS that is smaller than a single block size
Q.8.
Hadoop can be deployed on Commodity Hardware?
Q.9.
Which of the following statements is not a characteristic of hadoop?
Q.10.
The Hadoop tool used for uniformly spreading the data across the data nodes is named −
Q.11.
Output of the mapper is first written on the local disk for sorting and _________ process.
Q.12.
___________ part of the MapReduce is responsible for processing one or more chunks of data and producing the output results.
Q.13.
A ________ serves as the master and there is only one NameNode per cluster.
Q.14.
Which of the following allows to secure remote command line access?
Q.15.
What is a Metadata in Hadoop?
Q.16.
A process can run only in the background
Q.17.
Hadoop framework is written in which language ?
Q.18.
Expand JVM What is its full form
Q.19.
There are almost as many bits of information in the digital universe as there are stars in the actual universe?
Q.20.
Which of the following are false about Hadoop?