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Huawei H13-723_V2.0 - HCIP-Big Data Developer V2.0

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Total 526 questions

FusionInsight HDin, useStreamingThe command? way to submitexample.jarmiddleom huawei example

WrodCounttask, task name iswcTeat, is the following execution command correct?

A.

storm jar example jar wcTest om huawei example WordCount

B.

storm jar example jar wcTest WrodCount

C.

storm jar example jar om huawei example WordCount wcTest

D.

storm jar example jar WorkCount wcTest

FusionInsigt HD an application to completeKerberosSecurity certification, which of the following options are required

Required (multiple choice)

A.

Krb5.confconfiguration file

B.

existfusion insight managerUser account applied on

C.

user accountkeytabdocument

D.

Jaas.confconfiguration file

RedisWhich scenarios does not apply to Aestivation? (multiple choice)

A.

complex transaction operations

B.

Counter application: such as counting the number of landings on a website

C.

A message queue application where a message is consumed by multiple consumers at the same time and the message is guaranteed to be successfully consumed by all subscribers (subscription-pass

Know)

D.

get latestNdata: for example, for a certain microblog, get the latest10comments

existFusionInsight HDmiddle,SparkBy defaultYARNAs a cluster resource management system.

A.

True

B.

False

HDFSRuntime,NameNodewill load the entire metadata of the file system from disk into memory, so the file system

The total number of files that can be stored is limited byNameNodememory capacity.

A.

True

B.

False

FusionInsight HDin, aboutHive UFDSecondary development, is the following description correct? (multiple choice)

A.

user definedUDFBefore being used, it needs to beHivecreate this in the systemUDonly

B.

user definedUDF, information such as summary and status is not allowed.

C.

user definedUDF, can be added according to the actual situationdeterministicandstatefulletc. Notes.

D.

Under the secure cluster, user-definedUDF, it is recommended to create it once before each use.

existMapReduceIn application development of , which of the followingJAVA, Class responsible for managing and running a computational task?

A.

lob

B.

Context

C.

FileSystem

D.

Configuration

existSpark, which of the following is trueDataFrameThe operator that takes the intersection?

A.

filter (condifionExpr: String): DataFrame

B.

join (right: DataFrame, join Exprs: Column): DataFrame

C.

intersect (other: Data Frame): Data Frame

D.

dropDuplicates (): DataFrame

Fusionlnsigt HD an application to completeKerberosSecurity authentication, which of the following options must be used?

(multiple choice)

A.

krb5.confconfiguration file

B.

existFusionInsight ManagerUser account applied on

C.

user accountkeytabdocument

D.

jaas.confconfiguration file

Fusioninsight HDmedium, applicablestreamingSubmit by command lineexample.jarmiddle

om.huawei.example.wordcounttask, task name iswcTest, is the following execution command correct?

A.

Storm.jar example.jar wcTest om.huawei..example.wordcount

B.

Storm.jar example.jar wcTest wordcount

C.

Storm.jar example.jar om.huawei..example.wordcount wcTest

D.

Storm.jar example.jar wordcount wcTest

FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)

A.

hive.exec.reducers.bytes.per.reducer

B.

hive.exec-ducers.max

C.

hive.exec.max.dynamic.partitions

D.

hive.exec.max.dynamic.partitions.pernode

existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.

A.

True

B.

False

existFusionInsight HDmiddle,FlumeIn a configuration file, if there are multiplesource,butsourceThe name cannot be repeated.

A.

True

B.

False

SparkThe calculation logic of the application will be parsed intoDAG, this parsing operation consists of which of the following function modules Finish? ?

A.

Client

B.

ApplicationMaster

C.

Executor

D.

Driver

Oozieofworkflow.xmlfile is the workflow configuration file

A.

True

B.

False