Spark on YARN-clienti is suitable for production environment because it can see the output of APP faster.

• A.True
• B.False

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Regarding Flume, which of the following statement is wrong? (Multiple choice)

• A.Flume supports multi-cascade and multiplexing
• B.There is a need for encryption in processes such as Source to Channel to Sink
• C.Data transmission between Flume cascade nodes does not support compression
• D.Data transmission between Flume cascade nodes supports encryption

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The following statements about the reliability of Fusioninsight network security are correct:

• A.Fusioninsight supports dividing the network into three levels: the cluster service plane, the cluster management plane, and the maintenance network outside the cluster, which are physically isolated from each other.
• B.Avoid high load on the business plane from blocking the cluster management channel
• C.Network plane isolation to avoid management and service bandwidth preemption and mutual interference
• D.Prevent external attackers from infiltrating real business data through management channels

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What are the main features of YARN capacity scheduler? (Multiple choice)

• A.Flexibility
• B.Dynamically update configuration files
• C.Multiple leases
• D.Capacity guarantee

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The data stream of Flume can be sent to different Channels according to the information in the headers.

• A.True
• B.False

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