Cloudera
CCA-410 · Question #40
Using cloudera manager on CDH4 cluster running mapreduce V1(MRv1), you delete a tasktracker role instance from a host that also a runs a datanode role instance and a region server role…
The correct answer is C. the option to specify an alternate slave host to place the received data node role instance. See the full explanation below for the reasoning.
Question
Using cloudera manager on CDH4 cluster running mapreduce V1(MRv1), you delete a tasktracker role instance from a host that also a runs a datanode role instance and a region server role instance.cloudera Manager make changes to the cluster and prompts you to the accept the changes. What other configuration option will cloudera manager automatically prompt you to change?
Options
- Athe option to immediately rebalance the cluster
- BThe option to change java maximum heap sizes for the other role instances
- Cthe option to specify an alternate slave host to place the received data node role instance
- DThe option to failover to the instance by namenode
How the community answered
(19 responses)- A5% (1)
- B11% (2)
- C79% (15)
- D5% (1)
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