Free Access Huawei.H13-723_V2.0.v2022-09-27.q125 Practice Test (Page 5)

Question 16

existSpark, the accumulator can realize high-speed parallel counter and variable summation; inSparkduring application development, only inDriverGet the value of this counter on .

A.False

B.True

Question 17

FusionInsight HDin useStreamingofA, CKWhich of the following statements is true? (multiple choice)

A.AckerThe message that will identify the processing timeout or processing failure isfail.

B.fromspoutstarted, formedTupleFailure of any link in the tree will mark the entire tree as failed.

C.The application needs to be inspoutoffail() interface method to implement message resend logic.

D.enabledAckerLater,StreamingIt will identify the failure to sendTupleAnd automatically resend without human intervention.

Question 18

FusionInsigt HD which of the following components can be used for data collection? (multiple choice)

A.mouthHBase

B.mouthMapReduce

C.mouthLoader

D.mouthFlume

Question 19

FusionInsight HD HBasein the cluster,Table1belongNamespace1,Table2belong Namespace2,Table1There are two column families, namelycf11,c12,Table2There is a column family namedcf21, Which of the following options will allow the user accountAalso havecf11andcf21read and write permissions.
(multiple choice)

A.Assign this user accountglobalread permission

B.Give this user accountNamespace1read and write permissions

C.Assign this user accountTable1andTable2read and write permissions

D.Assign this user accountNamespace1andNamespace2read and write permissions

Question 20

aboutFlumeWhich of the following descriptions is correct?

A.(1) data fromsourcearrivechannel;(2)sinkfromchannelfetch data

B.(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data.

C.(1) data fromsinkarrivechannel;(2)sourcefromchannelfetch datao

D.(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data

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Question 16

Question 17

Question 18

Question 19

Question 20

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