What can the unified certification management system of the new mainstream business consist of? (Multiple choice)

• A.Unified Authentication management module
• B.Unified Identity Authentication Server
• C.Court meeting Security Management Module
• D.Identity information storage server

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FLINK adopts the checkpoint mechanism to ensure the fault tolerance in the operation of the application.

• A.False
• B.True

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Regarding the Supervisor of Fusioninsight HD Streaming, which of the following is correct?

• A.Supervisor is responsible for accepting the tasks assigned by Nimbus, starting and stopping the Worker process under its own management
• B.Supervisor is a component that receives data in Topology and then performs processing
• C.Supervisor is a process that runs specific processing logic
• D.Supervisor is responsible for resource allocation and task scheduling

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Which one of the following descriptions of the characteristics of big data and traditional databases are incorrect?

• A.There are many types of data processed by big data, including structured, unstructured, and semi-structured data; the traditional database has a relatively single type of data, often structured data predominates.
• B.The data scale of big data is very large, generally TB and PB are used as the data processing unit; the data size in traditional databases is generally small, and MB is often used as the data processing unit
• C.Big data is the data processing of "fish in the pond" with a clear goal; the data processing of traditional database is to judge whether other kinds of "fish" exist or not through some "fish"
• D.In big data, there is no unified data tool, that is, "No size fits all"; in traditional databases, in a specific business scenario, one tool can often solve a problem, that is, "One size fits all"

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What steps are included in the preparation for Fusioninsight HD installation?

• A.Prepare planning data. such as network parameters and role deployment locations
• B.Prepare tools and software. Such as Putty, LLD, Fusioninsight HD software installation package, etC.
• C.Complete the node host OS installation
• D.Complete the hardware installation

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