What occurs if a user submits a new job when NameNode is down?

As a data engineer, how would you go about creating a new analytical product?

Describe the HDFS Safe mode.

Differentiate between a data engineer and data scientist.

What happens when Block Scanner finds a faulty data block?

What does a skewed table mean in Hive?

Why does Hadoop employ the context object?

What is big data?

Describe the distributed Hadoop file system.

How is a big data solution deployed?