What Skills Does a Data Engineer Need?

Describe the fundamental idea underlying the Apache Hadoop Framework.

List the standard port numbers on which Hadoop’s task tracker, NameNode, and job tracker operate.

Which two messages does NameNode get from DataNode?

What does a skewed table mean in Hive?

Mention some of Hadoop’s key attributes.

What are the differences between an operational database and a data warehouse?

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

How does orchestration work?

Explain HDFS’s Block and Block Scanner.