Your Hadoop cluster is configuring with HDFS and MapReduce version 2 (MRv2) on YARN.
Can you configure a worker node to run a NodeManager daemon but not a DataNode
daemon and still have a functional cluster?
A.
Yes. The daemon will receive data from the NameNode to run Map tasks
B.
Yes. The daemon will get data from another (non-local) DataNode to run Map tasks
C.
Yes. The daemon will receive Map tasks only
D.
Yes. The daemon will receive Reducer tasks only