QUESTION: 65

In the Hadoop system, if the backup factor of the file system is 3, then the files required for each task that the MapReduce task runs must be transferred from 3 replica machines.

True
wrong

Answer(s): B

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There are two peer queues Q1 and Q2 on YARN, both of which have a capacity of 50. There are already 10 tasks on Q1 occupying a total of 40 capacity, and 2 tasks on Q2 occupying a total of 30 capacity. Many, the scheduler will allocate resources to Q1 first.

True
False

Answer(s): B

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QUESTION: 67

Which of the following types of data is not semi-structured?

HTML
XML
Z-dimensional table
JSON

Answer(s): C

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QUESTION: 68

Is the Supervisor description about Fusioninsight HD Streaming correct?

Supervisor is responsible for resource allocation and task scheduling
Supervisor is responsible for accepting tasks assigned by Nimbus, starting and stopping worker processes belonging to it
Supervisor is a process that runs specific processing logic
Supervisor is a component in Topology that receives data and then processes it

Answer(s): B

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QUESTION: 65

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QUESTION: 68

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