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CCA-410 · Question #29
CCA-410 Question #29: Real Exam Question with Answer & Explanation
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Question
In the context of configuring a Hadoop cluster for HDFS High Availability (HA), `fencing' refers to:
Options
- AIsolating a failed NameNode from write access to the fsimage and edits files so that is cannot resume
- BIsolating the cluster's master daemon to limit write access only to authorized clients.
- CIsolating both HA NameNodes to prevent a client application from killing the NameNode daemons.
- DIsolating the standby NameNode from write access to the fsimage and edits files.
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