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CCA-500 · Question #42
CCA-500 Question #42: Real Exam Question with Answer & Explanation
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Question
Your Hadoop cluster contains nodes in three racks. You have not configured the dfs.hosts property in the NameNode's configuration file. What results?
Options
- AThe NameNode will update the dfs.hosts property to include machines running the DataNode
- BNo new nodes can be added to the cluster until you specify them in the dfs.hosts file
- CAny machine running the DataNode daemon can immediately join the cluster
- DPresented with a blank dfs.hosts property, the NameNode will permit DataNodes specified in
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