In NiFi, what is the function of the "controller service"?

What is the primary purpose of Apache NiFi in the context of data integration?

A. Facilitate the flow of data between systems

B. A distributed storage system

C. A query language for Hadoop

D. A distributed file system

In Apache NiFi, what does the term "processor" refer to?

A. Perform data analytics in Hadoop

B. Manage computation resources

C. Execute MapReduce jobs

D. A fundamental building block for data flows

What is the role of Apache NiFi's "FlowFile" in data flow management?

A. A storage format in Hadoop

B. A query language for Hadoop

C. Represents a unit of data being moved

D. A distributed file system

In NiFi, what is the purpose of the "connection" between processors?

A. Group records based on a condition

B. Define the flow of data between processors

C. Join records from multiple tables

D. None of the above