Q. In NiFi, what does the term "Back Pressure" refer to in the context of data flow?
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(A)
A storage format in Hadoop
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(B)
A query language for Hadoop
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(C)
A distributed file system
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(D)
A mechanism to control the flow of data when a downstream system is congested
✅ Correct Answer: (D)
A mechanism to control the flow of data when a downstream system is congested