H13-723_V2.0 HCIP-Big Data Developer V2.0 Questions and Answers

existKafka, which of the following commands can view aTopicHow many partitions are there?

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

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)

aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, which of the following descriptions is incorrect?

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

FusionInsight HDin, belonging toStreamingWhat are the roles of the service? (multiple choice)

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

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectionDo some verification.

Below aboutSolr Admin UIIs the statement correct? (multiple choice)

HDFSIn application development of , which of the following areHDFSInterfaces supported by the service? (multiple choice)

FusionInsight HDofHive, user-definedUDFcan andHiveBuilt-inUDFduplicate name, in this case,

will use user-definedUDF.

existSpark, assuminglinesIs anDStreamObject, which of the following statements can periodically count the number of words on this stream?

FusionInsight HDmiddle,OozieBefore submitting the job, you need to upload the configuration files andjarpackage toHDFS

rightHBase, which of the following properties can be set? (multiple choice)

FusionInsight HDin, aboutOoze, which of the following operations can be performed on a suspended job? (many

select)

existSolrWhen indexing, which of the following code snippets can significantly improve indexing performance? (multiple choice)

RDDasSparkmost__________The core object has which of the following characteristics? (multiple choice)

When the cluster is normal,RedisClient initiates oncegetCall, the client has () times of message interaction with the server?

existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?

existFusionInsight HDproduct, aboutKafkaWhich of the descriptions of secure and non-secure ports is wrong?

(Note: oldAPImeans oldProducerAPIand oldConsumerAPI. Among them, the oldConsumer API:

Refers tokafka.consumer.ConsumerConnectorinterface defined in; oldProducerAPI:Refers to

kafka.producer.Producerinterface defined in . )

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.

aboutHiveandHadoopThe relationship of other components, the following description is wrong?

Hadoopenabled in the platformYARNWhich parameter needs to be configured for the log aggregation function of the component?

FusionInsight HDin, belonging toStreamingWhat are the methods of data distribution? (multiple choice)

Solris a high-performance, basedLucenefull-text search service.SolrrightLuceneexpanded,

provides a ratioLuceneA richer query language and a powerful full-text search function are implemented, with a high degree of reliability.

Extensibility. At the same time fromSolr 4.0Version starts, supportsSolrCloudmodel.

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

Fusionmnsight HDproductSoDuring application development, you canSolr Admin UIxrightCollection

One-shot verification is performed. Draw aboutSolr AdminUIIs the statement correct? (multiple choice)

HBaseWhich application scenarios are not suitable for?

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

existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCoretstandtasQaon.eaR. operation, etc.

KafkaIt is a distributed message publishing and subscribing system. It only forwards messages and does not guarantee

save message.

right or wrong

Which of the following components must depend onZooKeeperto run()?

(multiple choice)

existHBaseIn application development, when a table'sRowkeyRange and distribution are known, pre-score is recommendedregion,

Please call the following code (fragment) to pre-sort a tableregionAfter this table will create severalregion?

//Create a pre-partitionregionthe tablebyte【】I splits = new byte【4];splits【0】=Bytes.toBytes

("A");splits【1】=Bytes.toBytes("H");splits【2】=Bytes.toBytes("O");splits

【3】=Bytes.toBytes("U");admin.createTable(htd,splits);

implementHBaseWhat parts of the data need to be read for the data read service?

(multiple choice)

scountryonnsgtHDWhen developing applications with a secure version, you can usekeytabfile forKerberosinstall

Fully certified.

about the followingHBaseofBloomFilterCharacter understanding, which statement is incorrect?

FusionInsight HDin the systemHDFSdefaultBlock Sizehow many?

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIright

CollectionDo some verification. Below aboutSolr Admin UIIs the statement correct? (multiple choice)

FusionInsightHDin, aboutHivepartition (partition) function, which is wrong as described below?

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

about the followingHDFSWhat is the correct process for the client to read the file? (multiple choice)

SparkWhat kind of parameter setting methods does the application have? (multiple choice)

SparkThe calculation logic of the application will be parsed intoDAG, this parsing operation is completed by which of the following function modules

become?

FusionInsight HDin, belonging toStreamingWhat is the nature of the data distribution method? (multiple choice)

Rcboft0system, abouteWhich of the provided file formats is not in column format?

aboutFlumeThe characteristics of the collected data, which of the following descriptions are correct?

FusionInsightHDin, aboutHivepartition (partation) function, which is wrong as described below?

existMapReduceIn application development of , which of the followingJAVAThe class is responsible for managing and running a

Counting tasks?

existBaseIn application development, when a table'sRowkeyRange and distribution are known, pre-score is recommendedregion,

Please call the following code (fragment) to pre-sort a tableregionAfter this table will create severalregion?

splits【0】=Bytes.toBytes("A");splits【1】=Bytes.toBytes("H");splits【2】

=Bytes.toBytes("O");splits【3】=Bytes.toBytes("U");admin.createTable(htd,splits);

existMapReduceIn the development framework,InputFormatWhat is the function of the class?

LoaderIf the job execution fails, the data imported during the running of this job will not be deleted automatically.

must be deleted manually.

existKafkamiddle,ProducerThis can be done by configuring the synchronization parameters (producer.type), to ensure that the data press

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

FusionInsight HDsystem, aboutHiveWhich of the provided file formats is not a columnar file?

aboutstreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)

Does a project require Internet access to a certain area? ? Save and search the full text of these Internet records? ? information, with

to prevent crime in the region.

In this scenario, which of the following options is the best?

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

Required (multiple choice)

FusionInsight HD which components are provided externallySQLor classSQLability? (multiple choice)

HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodenode

information?

FusionInsight HDsystem, aboutHiveWhich of the provided file formats is not a columnar file?

FusionInsight HD which components are provided externallySQLor classSQLability? (multiple choice)

HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodeFestival

point information?

existSpark, assuminglinesIs anDStreamobject,filterStatements can be filtered out80%data for the following two

The correct statement is:

X: lines.filter(…).groupByKey(…)

Y: lines.groupByKey(…).filter(…)

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

aboutFlumeWhich of the following descriptions is correct?

forHBase rowkeyThe design principles described below are correct? (multiple choice)

existMapReduceIn the development framework,InputFormatWhat is the function of the class?

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

existSpark, which of the following statements about broadcast variables is correct?

Oozieofworkflow.xmlfile is the workflow configuration file

FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)

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

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

FusionInsight HD assuming a topology, set the roadspoutConcurrency is3,bolt1Concurrency

for2,bolt2Concurrency is3,workerThe number is2,Sobolt1ofexecutorexistworkerhow to divide

Cloth?

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

Entry failed.

aboutSolrThe response format of the query result, which of the following statements is wrong?

forHBase rowkeyThe design principles described below are correct?

(multiple choice)