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

HCIP-Big Data Developer V2.0

Last Update 6 hours ago Total Questions : 526

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Question # 16

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

filter (condifionExpr: String): DataFrame

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

intersect (other: Data Frame): Data Frame

dropDuplicates (): DataFrame

Question # 17

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

(multiple choice)

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

EstablishSocketconnect

Producercan either send data toBroker, and can send data toConsumersuperiorProducer

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

Question # 18

Hadoopin the systemYARNWhat resource types are supported for management?

(Multiple Choice)

Memory

CPU

Network

DiskSpace

Question # 19

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)

Assign this user accountglobalread permission

Give this user accountNamespace1read and write permissions

Assign this user accountTable1andTable2read and write permissions

Assign this user accountNamespace1andNamespace2read and write permissions

Question # 20

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

Shuffle Grouping

Field Grouping

Local Grouping

Direct Grouping

Question # 21

FusionInsight HDin, aboutOozieWhich of the following descriptions is correct?

(multiple choice)

submitcommand to change the status of the job toPREP

statcommand allowsPREPThe status of the job changes toRUNNINGrun

Runcommand to change the job status toRUNNINGl

KillCommands can act onPREP/SUSPEND/RUNNINGstatus job

Question # 22

existFusionInsight HDmiddle,SparkBy defaultYARNAs a cluster resource management system.

True

False

Question # 23

Sparkis a memory-based computing engine, allSparkData during program operation can only be stored in

in memory.

True

False

Question # 24

which come downRedisIs the command an atomic operation?

INCR(increment the stored digital value by one)

HINCRBY(for the hash tablekeydomain infieldvalue plus incrementincrement)

LPUSH(for linked listspushoperate)

All of the above

Question # 25

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

ORC(High-performance column store)

Parquetcolumn store

RCFileRow-column storage

TextFile

Question # 26

pass throughHBasefofcreateTableThe method creates a table, what parameters must be passed in?

Table Name

table names and columns

Table names and column families(family)

can be empty

Question # 27

aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not the correct one is?

Support based onRESTquery request

WebHCatThe return data format isXML

WebHCatbased onHTTPandHTTPSAgreement to provide services to the outside world

able to passWebHCatCreate tables, query, etc.

Question # 28

A large-scale production enterprise,tPlan to analyze the internal logistics data and sales datat,Assumeiout of the wayT

effectganalysis, which of the following statements are correct? (multiple choice)

HBaseIt can store massive data and support dynamic expansion, which can fulfill the storage requirements of logistics and sales data.

HbaseIt supports efficient random reading, and can complete real-time analysis and command of the logistics situation through reasonable design.

Logistics data is very sparse,HBaseCan handle sparse data efficiently.

HBaseIt can be built on ordinary commercial servers, and the construction cost is relatively low.

Question # 29

Spark on YARNin modedriverOnly works on the client side.

True

False

Question # 30

RDDavailable fromHadoopCompatible file system generation, after generation, it can be generated by callingRDDcalculation child pairRDDThe data is partially updated.

True

False