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DS-200 · Question #67
DS-200 Question #67: Real Exam Question with Answer & Explanation
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Question
What do you need to do when adding new slave nodes to a cluster?
Options
- AHalt and resubmit any running MapReduce jobs to guarantee correctness.
- BRestart the NameNode daemon.
- CAdd a new entry to /etc/slavenodes on the NameNode host.
- DIncrease the value of dfs.number.of.nodes in hdfs-site.xml.
- Eadd the new node's DNS name to the conf/slaves file on the master node.
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