Regarding the comparison between Hive and traditional data warehouse, which is wrong in the following description?

• A.Hive metadata storage is independent of data storage, thus decoupling metadata and data, with high flexibility, while traditional data warehouse data applications are single and low flexibility
• B.Since Hive is based on a big data platform, query efficiency is faster than traditional data warehouses
• C.Hive is based on HDFS storage, theoretically the storage capacity can be expanded indefinitely, while the traditional data warehouse storage capacity will have an upper limit
• D.Since Hive's data is stored in HDFS, it can ensure high fault tolerance and high reliability of the data

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When planning a FusionlnsightHD cluster, if the customer does not have performance requirements for functional testing and saves costs, the management node, control node, and data node can be deployed together. How many nodes are required at least?

• A.3
• B.2
• C.5
• D.4

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The figure below shows the data transmission architecture of flume. What is the component at the "?" in the figure?

• A.None of the aboveA. True
• B.Channel selector
• C.Interceptor
• D.Channel processor

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What data does Fusioninsight Manager back up regularly? (Multiple choice)

• A.NameNode
• B.LDAP
• C.DBService
• D.OMS

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A typical Katka cluster contains several Producers, several Brokers, several Consumers and a ZooKeeper cluster.

• A.False
• B.True

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