How is a big data solution deployed?

Describe the Star Schema.

Describe the HDFS Safe mode.

How does schema evolution work?

Differentiate between a data engineer and data scientist.

Define Balancer in HDFS.

What role does Apache Hadoop’s distributed cache play?

Describe the distributed Hadoop file system.

Explain HDFS’s Block and Block Scanner.

Describe how Hive is used in the Hadoop ecosystem.