When installing the Streaming component of Fusioninsight HD, how many nodes does the Nimbus role require to installed?

• A.4
• B.2
• C.1
• D.3

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Compared with MapReduce computing, Spark uses ____ resources to obtain ____ times the performance?

• A.1/8, 4
• B.1/10, 3
• C.1/8, 3
• D.1/10, 4

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The process of OpenScanner in HBasel will create two different Scanners to read the data of HFile and MemStore. The Scanner corresponding to HFile is StoreFileScanner, and the Scanner corresponding to MemStore is MemStoreScanner.

• A.False
• B.True

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In Huawei's big data solution, which of the following components are included in the hadoop layer?

• A.Spark
• B.Hive
• C.Miner
• D.Flink

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Capacity schedulingThe processor allocates resources for each queue, which of the followingOptionsis in the queueresourcescheduleStrategy?

• A.FIFO
• B.Fair
• C.Capacity
• D.Mesos

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