What are the port numbers of namenode?
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For using hadoop list the network requirements?
Explain what is speculative execution?
Explain some important features of hadoop?
When should be hadoop archive create?
Can you give some examples of Big Data?
How does hadoop achieve fault tolerance?
What are the common types of NOSQL data bases ?
Which port does SSH work on?
Does hadoop follows the unix pattern?
What does block mean?
Explain edge nodes in hadoop?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
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