Which of the following belongs to the shufle mechanism in the MapReduce process?

• A.sort/merge
• B.ccombine
• C.partition
• D.copy

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Flink supports Localt mode and Clustert mode deployment. Other modes are not supported at the moment.

• A.True
• B.False

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Regarding the Kafka in Fusioninsight HD products, which of the following is incorrect?

• A.Kafka strongly relies on Zookeeper
• B.Consumer serves as the client role of Kafka for message consumption
• C.Kafka's server can generate messages
• D.The number of instances deployed by Kafka must not be less than 2

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Which way does ElasticSearch index data use?

• A.Keyword Index
• B.Forward Index
• C.Full-text index
• D.Inverted index

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Flume supports cascading multiple Flume, and at the same time, the cascade node supports old data replication.

• A.TRUE
• B.FALSE

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