When creating a Loaderf job, in which of the following steps can the filter type be set?

• A.Basic Information
• B.output
• C.convert
• D.input settings

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In the Fusioninsight HD system, it fails to view the topology or submit the topology using the Shelle command of the Streaming client. Which of the following positioning methods are correct?

• A.Check the client's exception stack to determine whether the client is using problems
• B.Check the running log of the main Nimbus to determine whether the Nimbus server is abnormal
• C.View Worker running log
• D.Check the Supervisori running log to determine whether the Supervisor is abnormal

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In the HDFS mechanism, NameNodet is responsible for managing metadat
a. Each read request on the Clienty side needs to read metadata information from the metadata disk of NameNode, so as to obtain the location of the read file in DataNodel.

• A.True
• B.False

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Which of the following options is a key feature of the HDFS architecture?

• A.multiple access mechanism
• B.HA high reliability
• C.robust mechanism
• D.Metadata Persistence Mechanism

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In Hadoop, if yarn.scheduler.capacity.root.Queue A.
minimum-user-limitpercent is set to 50, which of the following statements is wrong?

• A.A user submits a task and can use 100% of QueueA's resources.
• B.Each user in QueueA can only get up to 50% of the resources.
• C.If there are already 2 user tasks running in QueueA, then the task submitted by the third user needs to wait for the release of resources.
• D.QueueA must ensure that each user gets at least 50% of the resources.

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