Cloudera
CCA-500 · Question #31
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…
The correct answer is B. Yes. The daemon will get data from another (non-local) DataNode to run Map tasks. See the full explanation below for the reasoning.
Question
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?
Options
- AYes. The daemon will receive data from the NameNode to run Map tasks
- BYes. The daemon will get data from another (non-local) DataNode to run Map tasks
- CYes. The daemon will receive Map tasks only
- DYes. The daemon will receive Reducer tasks only
How the community answered
(39 responses)- A8% (3)
- B79% (31)
- C10% (4)
- D3% (1)
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