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

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Total 526 questions

existFusionInsight HDmiddle,FlumeWhich of the following are supportedsourceTypes of? (multiple choice)

A.

Avro

B.

HBase

C.

Kafka

D.

HTTP

HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return to writing.

Entry failed.

A.

True

B.

False

existKafkamiddle,ConsumerIt can support offline message and online message consumption at the same time, but consume data sequentially

of.

A.

True

B.

False

RDDasSparkThe core object, which has the following characteristics? (multiple choice)

A.

read only

B.

partition

C.

fault tolerance

D.

efficient

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 data

D.

(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data

YarnWhich role is to manage individual node resources (CPU/Memory)of?

A.

NodeManager

B.

Resource Manager

C.

Data Node

D.

NameNode

HDFSused is"Write once, read many"file access model. So it is recommended that a file be created, written and closed After closing, do not modify it again.

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.

An application requires simultaneous and twoFusionInsightsCluster interaction: both need to access the cluster1ofHBaseservice, need to visit

Ask the cluster2ofHiveServe;

So which of the following operations are required? (multiple choice)

A.

in the cluster1Create the account required for this application on theHBaseServe

B.

in the cluster2created onAThe account with the same name in the options, and set this account to be able to access the cluster'sHiveServe

C.

Aoptions andBThe account created by the option must belong tosupergroupGroup

D.

cluster1and cluster2Complete the mutual trust operation

existFusionInsight HDin the cluster,FlumeWhich service does not support writing collected data to the cluster?

A.

HDFS

B.

HBase

C.

Kafka

D.

Redis

FusionInsight HDofHBasesave a user information table inmeg table, Rowkeyfor usersid,

One of the columns is the user's nickname, now write three to this column in orderKeyValue:001:Li,001:Mary,

001:Lily,Excuse mescan'meg table,{VERSIONS=>2}What data will be returned?

A.

001:Li

B.

001:Lily

C.

001:Li,001:Mary,001:LiLy

existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?

A.

set upmapinput compression method

B.

set upmapHow the output is delivered

C.

set upmapoutput compression method

D.

set upreduceoutput compression method

existFusionInsight HDproduct,KafkaWhat is the role name of the service?

A.

Producer

B.

Broker

C.

Consumer

D.

ZooKeeper

FusionInsigt HD the user wants to passHBase shelloperation to query aHBasein the table In this scenario, it is recommended that the administrator assign a machine account to this user.

A.

True

B.

False

aboutKafkaofPeoducer, is the following statement correct? (multiple choice)

A.

Produceris a message producer

B.

ProducerProduction data needs to be specifiedTopic

C.

Can play multiple at the same timeProducerprocess to the sameTopicsend data

D.

ProducerNeed to connect first when producing dataZooKeeper, and then connectBroker