Huawei spoto sure Pass Exam H13-723_v2 0 Pdf by Freja q316 vce pdf

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Exam Name:	HCIP-Big Data Developer V2.0
Exam Code:	H13-723_V2.0 Dumps
Vendor:	Huawei	Certification:	HCIP-Big Data
Questions:	526 Q&A's	Shared By:	freja

Question 64

existHBaseIn table design, it is common to multiple businessesrowkey, what are the possible countermeasures for situations that lead to data access contradictions?

slightly? (multiple choice)

Options:

compromise method (rowkeyDesign takes into accountAandBbusiness needs)

Redundancy method (use space for time factory efficiency)

Create secondary index

pre-scoreregion

Discussion

Question 65

FusionInsight HD assuming a topology that setsspoutConcurrency is3,bot1Concurrency is 2,bot2Concurrency is3,workerThe number is2,Sobol1ofexecutorexistworkerHow is it distributed?

Options:

twoworkerone of theworkerdistribute two

twoworkerone for each

no fixed rules

Discussion

Question 66

existSparkIn application development, which of the following codes can correctly count words?

Options:

val counts=textFile.map(line=>line.split(" ')).map(-rd=>(word,1)).reduceByKey(_+_)

val counts=textFile.flatMap(line=>line.split(" ")).map(word=>(word,1)).reduceByKey(_+_)

val counts=textFile.map(line=>line.split(" ")).map(word=>(word,1)).groupByKey()

val counts=textFile.flatmap(line=>line.split(" ")).map(-rd=>(word,1)).reduceByKey()

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Question 67

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

(multiple choice)

Options:

eachDataNodemaximum storage1copy.

Support multiple users to write to the same file at the same time.

The first copy of the data block is placed preferentially on the node where the client writing the data block is located.

Copied file blocks all exist on the same rack by default.