Which of the following statements is false?
A) Two key Hadoop components are HDFS (Hadoop Distributed File System) for storing massive amounts of data throughout a cluster, and MapReduce for implementing the tasks that process the data.
B) Hadoop MapReduce is similar in concept to the functional-style programming, just on a xe "massively parallel processing"massively parallel scale.
C) A MapReduce task performs two steps-mapping and reduction.
D) The mapping step processes the original data across the entire cluster and maps it into tuples of key-value pairs. The reduction step, which also may include filtering, then combines those tuples to produce the results of the MapReduce task.

Question

Quizplus · Accepted Answer

The reduction step does not typically include filtering; filtering is usually part of the mapping or a separate step. The reduction step primarily combines the mapped key-value pairs to produce the final output.

Which of the Following Statements Is False