In NiFi, what is the primary purpose of the "DistributedMapCache" controller service?
A. Join records from multiple tables
B. Group records based on a condition
C. Sort records based on a column
D. Store and share key-value pairs across NiFi nodes
Answer: Option D
This Question Belongs to Hadoop >> Data Integration And Management With Apache NiFi
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
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