coordinator.xmlis the configuration file responsible for scheduling the workflow

• A.False
• B.True

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HDFSWhich of the following business scenarios is not applicable to?

• A.Mass data storage
• B.Lots of small file storage
• C.large file storage
• D.Streaming file storage

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Suppose there is an application that needs to be accessed frequentlyOracleThe user table in the database, in order to improve performance, introduceRedisto cache users information.
For this scene,RedisWhich of the following is the best data structure choice for ?

• A.set
• B.list
• C.hash
• D.sorted set

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HDFSclient withNWhen a copy writes a file, which of the following is true about the writing process?
(multiple choice)

• A.The first copy of the data block is placed preferentially on the node where the client writing the data block is located.
• B.Support multiple users to write to the same file at the same time.
• C.Copied file blocks all exist on the same rack by default.
• D.eachDataNodemaximum storage1copies.

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existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectiondo some tests certificate.
Below aboutSolr Admin UIIs the statement correct? (multiple choice)

• A.clickCloud, see eachCollectionunder eachShardReplicadistribution and status
• B.enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theReplicaIndex the actual document Number of bars, storage size and location information
• C.Solruser group,Solr adminrole andSuper groupof users have access toSolr Admin UI
• D.clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesand other metadata information

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