Describe the HDFS Safe mode.

Explain data engineering.

Can you create more than one table in Hive for the same data file?

Describe the distributed Hadoop file system.

How does schema evolution work?

Describe streaming in Hadoop.

Why does Hadoop employ the context object?

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

How do you turn off the HDFS Data Node’s Block Scanner?

Define Balancer in HDFS.