Each question in this quiz is timed.
Which of the following is the daemon of Hadoop?
Name Node
Node Manager
Data Node
All of the Above
Which one of the following is false about Hadoop?
It is a distributed framework
The main algorithm used in it is Map Reduce
It runs with commodity hard ware
All are true
Hadoop Framework is written in
Python
Java
C++
Scala
Which command is used to check the status of all daemons running in the HDFS.
Jps
Fsck
Distcp
None of the above
The type of data Hadoop can deal with is
Structured
Semi - structured
Unstructured
All of the above
Which of the below apache system deals with ingesting streaming data to hadoop
Flume
Oozie
Hive
Kafka
Which of the file contains the configuration setting for HDFS daemons
yarn-site.xml
hdfs-site.xml
mapred-site.xml
8. In which all languages you can code in Hadoop
Which of the file contains the configuration setting for NodeManager and ResourceManager
Which of the following is a distributed multi-level database?
HDFS
HBase
Both the above
Which of the following command is used to enter Safemode?
hadoop dfsadmin –safemode get
bin dfsadmin –safemode get
hadoop dfsadmin –safemode enter
Which of the following command is used to come out of Safemode?
hadoop dfsadmin -safemode leave
hadoop dfsadmin -safemode exit
hadoop dfsadmin -safemode out
13. Which configuration file is used to control the HDFS replication factor?
core-site.xml
Rack Awareness improves
Data high availability and reliability
Performance of the cluster
Network bandwidth
15. Which of the following command is used to check for various inconsistencies
zkfc
fs
fsck
fetchdt
