IBM
C2090-102 · Question #59
C2090-102 Question #59: Real Exam Question with Answer & Explanation
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Question
In designing a new Hadoop system for a customer, the option of using SAN versus DAS was brought up. Which of the following would justify choosing SAN storage?
Options
- ASAN storage provides better performance than DAS
- BSAN storage reduces and removes a lot of the HDFS complexity and management issues
- CSAN storage removes the Single Point of Failure for the NameNode
- DSAN storage supports replication, reducing the need for 3-way replication
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