Spark Streaming has higher real-time performance than Storm.

• A.True
• B.False

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Which of the following application scenarios can HBase be used for? (multiple choice)

• A.recommended friends
• B.message order storage
• C.Time series data storage
• D.User portrait

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Which configuration is not supported by Fusioninsight Manager user rights management?

• A.Configure permissions for user groups
• B.Configure roles for users
• C.Configure roles for user groups
• D.Configure permissions for roles

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When a RegionServer fails, the Region on the failed RegionServer is migrated. (fill in the blank)

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Neither Spark nor Hadoop is suitable for iterative computing scenarios.

• A.False
• B.True

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