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CCA-410 · Question #18
CCA-410 Question #18: Real Exam Question with Answer & Explanation
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Question
Your cluster implements HDFS High Availability (HA). You two NameNodes are named nn01 and nn02. What occurs when you execute the command: Hdfs haadmin -failover nn01 nn02
Options
- Ann02 becomes the standby NameNode and nn02 becomes the active NameNode
- BNn01 is fenced, and nn01 becomes the active NameNode
- CNn01 is fenced, and nn02 becomes the active NameNode
- DNn01 becomes the standby NameNode and nn02 becomes the active NameNode
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