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Which Process Instantiates User Code, and Executes Map and Reduce

Question 15

Multiple Choice

Which process instantiates user code, and executes map and reduce tasks on a cluster running MapReduce v2 (MRv2) on YARN?

A) NodeManager
B) ApplicationMaster
C) TaskTracker
D) JobTracker
E) NameNode
F) DataNode
G) ResourceManager

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