H13-723_V2.0 Practice Exam Questions and Answers

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

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

Cloth?

Fusioninsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)

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

existFlumeDuring the cascade transfer process, you can usefailovermode transmission, so that if startled

ofFlumeWhen the node fails or the data is received abnormally, it can automatically switch to another path to continue transmission

In the online log query scheme, adopted? processing to complete the calculation work. During the whole calculation process, the intermediate calculation results need to be

For temporary storage, which of the following components are suitable for storing intermediate calculation results? (multiple choice)

FusionInsight HDmiddle,StreamingPackaging tools are used to package business codejarpackages and other dependenciesjarpackage, etc.

a completeStreamingAppliedjarBag

Spark StreamingAs a micro-batch stream processing engine, it converts the data of each time slice into aRDDmiddle

A partition is calculated.

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

existHBaseWhile the application is running, the application can write data while creating the table.

Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100Msize file, real

How much storage space does it take up?

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

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

point information?

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

there are the following scenarios: new data is generated by the online system every day500G, it is necessary to analyze these data by day, week,

Monthly and other dimensions for statistical summary. ask if it is suitable for useHiveWhat kind of table to handle?

aboutRedisFeatures, the following description is correct? (multiple choice)

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

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

useFusionInsight HDofHiveQuery data, when the amount of data in the intermediate results of the query is large, you can choose to compress the intermediate data

Structured data for better performance.

Which of the following areHiveRelevant parameters for intermediate result compression? (multiple choice)

existFusionInsight HDUnder the client, to runMapReducegenerated by the applicationjarBag. Which command can be executed?

aboutKafkaofPeoducer, is the following statement correct? (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.

FusionInsight HDin, aboutHivethe data load function (viaHiveofLOADcommand guide

input data), which of the following descriptions is wrong?

FlinksupportLocalpattern andClusterpattern deployment(and cloud deployment), other deployment modes are not currently supported.

Which of the following business applications is notHiveApplicable scenarios?

existKafkain, aboutConsumerWhich statement is correct? (multiple choice)

Spark SQLIn the table, there are often many small files (the size is much smaller thanHDFSblock size), in this case,Sparkwill enable aTaskto process these small files, whenSQLexist in operationShufleWhen operating, will greatly increasehashThe number of dynamic buckets will seriously affect the performance.

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

aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not

the correct one is?

existFlumemiddle,sourceWhat is the main function of the function module?

Fusionlnsigt HD one deployed inTomcatapplication on theHBaseservice, it is recommended to use in this scenario machine account.

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

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.

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

FusionInsight HD a completeStreaming CQLThe application contains at least which of the following part? (multiple choice)

Flumebranch__________real-time data collectionsourceWhich is the type?

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

which come downRedisIs the command an atomic operation?

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

aboutFlumeWhich of the following descriptions is correct?

Fasionlrnight HD Heenein the group,Table1GenusFNamespacel,Table2GenusFNamespace2,

Table1there are two1columns, respectivelyRdf11.df12,TablezThere is a column home namedf21, then which of the following

user account9AAt the same time have|ef18d21oftwrite rights. (multiple choice)

existSpark, assuminglinesIs anDStreamobject,filterStatements can be filtered out80%the number of

According to the following two sentences, the law is correct:X:lines.filter( ).groupByKey(.)Y:

lines.groupByKey( ).filter( )

for running onMapRestoeThe application on the platform, on which this application is basedjarpackage is placed where?

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

Which of the following causesHDFSofNameNodeEntersafemode(install"aroot form)? (multiple choice)

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

SparkandHadoopNeither is suitable for iterative calculation scenarios.

FusionInsightHD which components are provided externallySQLor classSQLability? (multiple choice)

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

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

Regarding the Hive service of the FusionInsight HD platform and its WebHCat development interface, the following description does not

the correct one is

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

HDFSclient withNcopy toHDFSWhen writing a file, if one of the copies fails to write, all

If there is a copy, it will return a failure.

An application requires simultaneous and twoFusionInsightCluster interaction: both need to access the cluster1ofHBase

Serve,Xneed to cut county2ofHiveservice, then which of the following operations is necessary? multiple choice)

which come downRedisIs the command an atomic operation?

existSpark, which of the following statements about broadcast variables is correct? (multiple choice)

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

MapReduceIn which of the following is the task ultimately performed?

In useSolrWhen performing a full-text search, you canwtThe parameter specifies the response format of the query result. close

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

In useSolrWhen performing a full-text search, you canwtThe parameter specifies the response format of the query result.

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

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

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

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

of.

Spark StreamingAs a micro-batch stream processing engine, it converts the data of each time slice into aRDDone of partitions are calculated.

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

FusionInsight HDin the system,HiveWhat are the supported interface types? (multiple choice)

HiveWhich of the following table types are supported? (multiple choice)

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

existHBaseWhile the application is running, the application can write data while creating the table.

Which of the following causesHDFSofNameNodeEntersafemode(safe read-only mode)? (multiple choice)

HBaseFilters can set column names or column values as filter conditions, and support the use of multiple filters at the same time.

FusionInsight HDsystematicV100R002C60version,HiveOnly supports based onMapReduceEngine query service,

not supported based onSparkEngine query service.

There are the following scenarios: new data is generated by the online system every day500G, you need to make statistics on these data by day, week, month and other dimensions summary.

ask if it is suitable for useHiveWhat kind of table to handle?

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

Suppose there is an application that needs to be accessed frequentlyOracleThe user table in the database, in order to improve performance, introduceRedisto cache users

information.

For this scene,RedisWhich of the following is the best data structure choice for ?

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

existFusionInsight HDclient, executeskinit{account}command is to getKDCwhich content?