Kafka is a distributed message publishing and subscription system. It only forwards messages and does not save messages.

• A.False
• B.True

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InHive, which of the following statements about partitions is incorrect?

• A.Each partition is a journal
• B.There can be further partitions or buckets under the partition
• C.The number of partitions is fixed
• D.The data table can be partitioned by the value of a field

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What is the default block size of HDFS in Fusioninsight HD system?

• A.64M
• B.128M
• C.256M
• D.32M

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In the Fusioninsight product, which of the following statement about the Kafka component is correct? (Multiple choice)

• A.Kafka will store metadata information on Zookeeper
• B.After Kafka is installed, the sensitive data storage directory can no longer be configured
• C.When creating a topic, the number of replicas must not be greater than the number of currently surviving Broker instances, otherwise the topic creation will fail
• D.When Kafka's Producer sends a message, it can specify which Consumer consumes the message

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What are the functions of Nimbus in the Streaming architecture?

• A.Resource allocation
• B.Monitor task execution status
• C.task scheduling
• D.start/stop worker process

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