Which of the following descriptions about Fusioninsight CTBase is incorrect?

• A.CTBase provides a set of WebUI for metadata definition,Provides a medical-only watch design tool to reduce the difficulty of watch design
• B.CTBase's java API provides a set of interfaces for HBasej connection pool management. Internal connection sharing is performed to reduce the difficulty of client application development.
• C.CTBase is a cluster table development framework based on HBasel
• D.CTBase's read and write data interface. It uniformly encapsulates the interface defined by the line, and automatically merges and parses cold fields without merging and interpretation in the application.

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The description of the role of the standby NameNode in the HDFS system, which is correct? (Multiple choice)

• A.The standby NameNode should be deployed to the same node as the primary NameNode
• B.Help the main NameNode to merge and edit logs to reduce the startup time of the main NameNode
• C.Hot standby of the primary NameNode
• D.The standby NameNode has no memory requirements

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How many nodes are required to install the Nimbus role of the Streaming component of FusionInsight HD?

• A.2
• B.1
• C.3
• D.4

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In big data computing tasks, about0Which description of intensive tasks is incorrect?oneitem?

• A.By improving network transmission efficiency and read and write efficiency, performance can be greatly improved
• B.The more tasks, the more efficient the CPU
• C.Most of the time during I0-intensive task execution is spent at I0
• D.High PU consumption

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Kunpeng computing industry is a full-stack IT infrastructure, industry applications and services built on Kunpeng processors, including PCs, servers, storage, operating systems, middleware, virtualization, databases, cloud services, industry applications, and consulting management services Wait.

• A.True
• B.False

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