What are the modes in which Hadoop run?
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Explain is it possible to search for files using wildcards?
List some use cases where classification machine learning algorithms can be used.
How does hadoop achieve fault tolerance?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
How would an hadoop administrator deploy various components of hadoop in production?
Mention what is data cleansing?
Explain Erasure Coding in Hadoop?
Define a udf?
How often do you need to reformat the namenode?
What is the use of cloudera?
In which location name node sores its metadata and why?
What are the different commands used to startup and shutdown Hadoop daemons?
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