The underlying client-server protocol has changed in version . . . . . . . . of ZooKeeper.

What is the primary purpose of Sqoop in Hadoop?

A. Import and export data between Hadoop and relational databases

B. Perform data analytics in Hadoop

C. Manage computation resources

D. Execute MapReduce jobs

In Sqoop, what does the term "Import" refer to?

A. Manage computation resources

B. Execute MapReduce jobs

C. Transfer data from Hadoop to a relational database

D. Transfer data from a relational database to Hadoop

What is the role of Sqoop connectors in the data import/export process?

A. Define the structure of the data

B. Manage computation resources

C. Transfer data between Hadoop and relational databases

D. Execute MapReduce jobs

In Sqoop, what does the term "Free-form query import" refer to?

A. Transfer data from Hadoop to a relational database

B. Import data based on a user-defined SQL query

C. Transfer data from a relational database to Hadoop

D. None of the above