Define a datanode?
Is secondary namenode a substitute to the namenode?
What is a secondary namenode?
What is unstructured data?
Explain the overview of hadoop history breifly?
Which laptop is best for big data?
How does yarn work with spark?
What happens when we submit a spark job?
Why spark is used?
What is spark pipeline?
What is azure spark?
What are spark jobs?
Is it necessary to learn hadoop for spark?
Is java required for spark?
What is spark technology?