List the elements of the Hive data model.

What does SerDe in the Hive mean?

What role does Apache Hadoop’s distributed cache play?

Describe the HDFS Safe mode.

Define Balancer in HDFS.

What is Hadoop’s “Data Locality?”

Why does Hadoop employ the context object?

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

What are the Secondary NameNode’s functions?

Explain “rack awareness.”