Topic: Big Data
Which of the following is a Big Data tool employed for real-time stream processing?
- A. Hadoop
- B. Apache Flink
- C. Splunk
- D. ERDPlus
Answer: B. Apache Flink
Explanation: Apache Flink is an open-source, unified stream-processing and batch-processing framework specifically optimized for stateful computations over unbounded and bounded data streams (real-time processing).