In the task scheduling process of YARN, which of the following is the task that ApplicationMastert is responsible for?

• A.Allocate Container
• B.Set up the running environment for the task
• C.Start a Map or Reduce task
• D.Apply for and receive resources

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Regarding the ordinary tables and external tables in Hive, which of the following is incorrect?

• A.When deleting a normal table, metadata and data are deleted at the same time
• B.Create a normal table by default
• C.The essence of the external table is to associate the file path that already exists on the HDFS with the table
• D.When deleting an external table, only delete the external table data without deleting the metadata

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What services can Huawei DWS provide to customers?

• A.Support GDS tools to speed up data storage
• B.Ensure high reliability of data and systems
• C.Trillions of data correlation analysis seconds response
• D.Unified management console

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Regarding the task selection of the capacity scheduler, which of the following statements is correct? (Multiple choice)

• A.The smallest queue level priority
• B.Resource recovery request queue priority
• C.Maximum queue level priority
• D.The queue with the lowest resource utilization has priority

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What are the advantages of going to solutions for the industry?

• A.open?Support a wide range of industry ecology?combine,?combination?
• B.?Multi-branch, multi-site, multi-industry? ?,many? ?scenarios, helping customers to distribute? ?
• C.Through big data, AI, containers, microservices, edge?Computing and other innovations?Technology,? ?
• D.Support the whole network? ?,? ?, applied and managed? ?same

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