Which nodes are required to communicate with external data sources before and after Fusioninsight HD Loader job?

• A.Both the first two are required
• B.No need for the first two
• C.Loader service master node
• D.Nodes running YARN service jobs

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Using the Streaming client shell command in FusionInsight HD system to view the topology or submit the topology fails, which of the following positioning methods are correct? (Multiple choice)

• A.View worker running logs
• B.Check the Supervisor operation log to determine whether the Supervisor is abnormal
• C.Check the client exception stack to determine if there is a problem with the client
• D.Check the running log of the main nimbus to determine whether the nimbus server is abnormal

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In the processing node Bolt of Streaming. Which of the following operations can be done

• A.filter
• B.join operation
• C.Connect to the database
• D.business processing

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Which of the following options are Huawei Kunpeng industrial products?

• A.Smart network card chip
• B.Intelligent management chip
• C.Smart SSD Controller Chip
• D.Huawei Kunpeng processor

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Huawei has extensive experience in big data solutions in finance, public security, railways, government affairs and other industries.

• A.True
• B.False

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