21649195
Description
Question 1
Question
Which of the following is the daemon of Hadoop?
Answer
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Name Node
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Node Manager
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Data Node
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All of the Above
Question 2
Question
Which one of the following is false about Hadoop?
Answer
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It is a distributed framework
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The main algorithm used in it is Map Reduce
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It runs with commodity hard ware
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All are true
Question 3
Question
Hadoop Framework is written in
Answer
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Python
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Java
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C++
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Scala
Question 4
Question
Which command is used to check the status of all daemons running in the HDFS.
Answer
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Jps
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Fsck
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Distcp
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None of the above
Question 5
Question
The type of data Hadoop can deal with is
Answer
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Structured
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Semi - structured
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Unstructured
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All of the above
Question 6
Question
Which of the below apache system deals with ingesting streaming data to hadoop
Answer
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Flume
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Oozie
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Hive
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Kafka
Question 7
Question
Which of the file contains the configuration setting for HDFS daemons
Answer
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yarn-site.xml
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hdfs-site.xml
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mapred-site.xml
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None of the above
Question 8
Question
8. In which all languages you can code in Hadoop
Answer
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Java
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Python
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C++
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All of the Above
Question 9
Question
Which of the file contains the configuration setting for NodeManager and ResourceManager
Answer
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yarn-site.xml
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hdfs-site.xml
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mapred-site.xml
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None of the above
Question 10
Question
Which of the following is a distributed multi-level database?
Answer
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HDFS
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HBase
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Both the above
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None of the above
Question 11
Question
Which of the following command is used to enter Safemode?
Answer
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hadoop dfsadmin –safemode get
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bin dfsadmin –safemode get
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hadoop dfsadmin –safemode enter
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None of the above
Question 12
Question
Which of the following command is used to come out of Safemode?
Answer
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hadoop dfsadmin -safemode leave
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hadoop dfsadmin -safemode exit
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hadoop dfsadmin -safemode out
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None of the above
Question 13
Question
13. Which configuration file is used to control the HDFS replication factor?
Answer
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mapred-site.xml
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hdfs-site.xml
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core-site.xml
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yarn-site.xml
Question 14
Question
Rack Awareness improves
Answer
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Data high availability and reliability
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Performance of the cluster
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Network bandwidth
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All of the above
Question 15
Question
15. Which of the following command is used to check for various inconsistencies
Answer
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zkfc
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fs
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fsck
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fetchdt
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