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Free Huawei H13-723_V2.0 Practice Exam with Questions & Answers | Set: 10

Questions 136

due toSparkis a memory-based computing engine, therefore, aSparkThe amount of data the app can handle Can't give more than thisSparkThe total memory of the application.

Options:
A.

True

B.

False

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Questions 137

HuaweiFusionInsight HDin the cluster,SparkFrom which of the following services can a service read data? (multiple choice)

Options:
A.

YARN

B.

HDFS

C.

Hive

D.

HBase

Questions 138

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)

Options:
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

Questions 139

aboutKafkaThe characteristics of the following description are correct? (multiple choice)

Options:
A.

KafkaIt is a high-throughput, distributed, publish-subscribe-based messaging system

B.

KafkaPersistence of messages

C.

KafkaApplicable to offline and online message consumption scenarios

D.

Kafkaguarantee eachPartitionmessages in order

Questions 140

FusionInsght ManagerWhat interfaces are supported when interfacing with external management platforms?

(multiple choice)

Options:
A.

SNMP

B.

VPN

C.

BGP

D.

syslog

Questions 141

The user wants to develop an application to accessHBaseservice, first apply for a machine accounttester1, and give it sets accessHBaseservice permissions; then download the account'skeytabfile, and use that account to run the application

use. Subsequent applications of this application will increase business requirements and require access toHiveservice, then givingtester1User additionally granted access

askHiveAfter the component permissions, you need to re-download the user'skeytabdocument.

Options:
A.

True

B.

False

Questions 142

HDFSThe system time of the node where the client is located is the same as theFusionInsight HDThe system time of the cluster should be maintained

Consistent, if there is a time difference, then the time difference should be less than a few minutes?

Options:
A.

5

B.

10

C.

20

D.

30

Questions 143

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

(multiple choice)

Options:
A.

eachDataNodemaximum storage1copy.

B.

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

C.

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

D.

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

Questions 144

In ThereNnodesFusionInsightHDDeploy in a clusterHBase, it is recommended to deploy()HMaster process, ( )RegionServerprocess?

Options:
A.

2, 2

B.

3, N

C.

2, N

D.

N, N

Questions 145

due toSparkis a memory-based computing engine, therefore, aSparsThe amount of data that the application can handle cannot exceed the amount allocated for this

indivualSparkThe total memory of the application.

Options:
A.

True

B.

False

Questions 146

FusionInsight HDmiddle,StreamingWhat are the characteristics of? (multiple choice)

Options:
A.

stream processing

B.

high performance

C.

Scalable

D.

High fault tolerance

Questions 147

Fusionlnsigt HDWhat distributed computing frameworks do big data platforms provide? (multiple choice)

Options:
A.

HBase

B.

Spark

C.

MapReduce

D.

Streaming

Questions 148

FusionInsight HDin, aboutOozieWhich of the following descriptions is correct?

(multiple choice)

Options:
A.

submitcommand to change the status of the job toPREP

B.

statcommand allowsPREPThe status of the job changes toRUNNINGrun

C.

Runcommand to change the job status toRUNNINGl

D.

KillCommands can act onPREP/SUSPEND/RUNNINGstatus job

Questions 149

existKafka, as follows aboutProducerWhat is wrong with the statement of sending data?

(multiple choice)

Options:
A.

ProducerResponsible for production data,Consumerresponsible for consuming data,ProducerandConsumerneed between

B.

EstablishSocketconnect

C.

Producercan either send data toBroker, and can send data toConsumersuperiorProducer

D.

As a message producer, you can directly write data toZooKeeper Producerconnect any normalBrokerInstances can produce data

Questions 150

existSolrIn the application query scenario of the

Page. Which of the following statements about cursors is correct?

(multiple choice)

Options:
A.

The query field must be sorteduniqueKeySort by field

B.

For the first query request, you need to specify query parameters. The operation method is as follows:solrquery.set

(CursorMarkParams.CURSOR_MARK_PARAM,CursorMarkParams.CURSOR_MARK_

START);

C.

When querying, the request cannot containstartparameter

D.

SorlThe return result will havenextCursorMark, on the next call use this value ascursorMark