CCA-410 · Question #100
CCA-410 Question #100: Real Exam Question with Answer & Explanation
The correct answer is A. Automatically 'fail over' between NameNodes if one goes down C. Shut one NameNode down for maintenance without halting the cluster D. Manually 'fail over' between NameNodes. The HDFS High Availability feature addresses the above problems by providing the option of running two redundant NameNodes in the same cluster in an Active/Passive configuration with a hot standby. This allows a fast failover to a new NameNode in the case that a machine crashes,
Question
Options
- AAutomatically 'fail over' between NameNodes if one goes down
- BWrite data to two clusters simultaneously
- CShut one NameNode down for maintenance without halting the cluster
- DManually 'fail over' between NameNodes
- EConfigure unlimited hot standby NameNode.
Explanation
The HDFS High Availability feature addresses the above problems by providing the option of running two redundant NameNodes in the same cluster in an Active/Passive configuration with a hot standby. This allows a fast failover to a new NameNode in the case that a machine crashes, or a graceful administrator-initiated failover for the purpose of planned maintenance. Exam Questions, Study Guides, Practice Tests. Lead the way to help you pass any IT Certification exams, 100% Pass Guaranteed or Full Refund. Especially Cisco, CompTIA, Citrix, EMC, HP, Oracle, VMware, Juniper, Check Point, LPI, Nortel, EXIN and so on. Our Slogan: First Test, First Pass. Help you to pass any IT Certification exams at the first try. You can reach us at any of the email addresses listed below. Any problems about IT certification or our products, you could rely upon us, we will give you satisfactory answers in 24 hours.
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