What is unstructured data?
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Define a datanode?
How would you tackle counting words in several text documents?
How is security achieved in Apache Hadoop?
what are Task Tracker and Job Tracker?
How many instances of tasktracker run on a hadoop cluster?
Which data storage components are used by hadoop?
What is a task instance in hadoop? Where does it run?
Name some companies that use Hadoop?
Does google use hadoop?
What do you know by storage and compute node?
how would you modify that solution to only count the number of unique words in all the documents?
Is client the end user in HDFS?
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