H13-723_V2.0 Huawei HCIP-Big Data Developer V2.0 Free Practice Exam Questions (2025 Updated)

ProducerResponsible for production data,Consumerresponsible for consuming data,ProducerandConsumerneed to be established betweenSocket

connect

Producercan either send data toBroker, and can send data toConsumersuperior

ProducerAs a message producer, you can directly write data toZooKeeper

Producerconnect any normalBrokerInstances can produce data

Create an input stream

Create output stream

Business action statements (such asSELECT,INSERT,JIONWait)

Apply commit statement

YARN

HDFS

Hive

HBase

True

False

hdfs dfs

yarn jar

yarn application

Supports distributed and streaming acquisition

with the help ofMapReducetask parallel collection

Only structured data can be collected

Trigger data collection with external timing tasks

True

False

mergemapThe result of the stage has the samekeyvalue key-value pair

put allmapThe results of the stages are merged to get the final result

rightmapThe results of the stages are sorted and merged

Divide the input data into one by one. and split this further into pairs, then asmapfunction input of

32MB

64MB

128MB

256MB

Updates sent by the client are applied in the order in which they were sent.

A message to be read by more than halfserverreceive, it will be able to successfully write to disk.

Message updates can only succeed or fail, with no intermediate states.

ZooKeeperThe number of nodes must be an odd number.

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

Can start, stop and restart the service

Services can be added and uninstalled.

Uncommon services can be set to hide or show

Can view the current status of the service

True

False

fromSolr Adimin Ulinterface acquisition

existsdr-ecawnpletconftsolr-esamole-properts, has always defaulted to these two parameters

fromFuwnloninuight Manager SoService configuration interface acquisition

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

Spark

Streaming

MapReduce

HDFS

AssumeSmapinput compression method

set upmapHow the output is delivered

set upmapoutput compression method

set upreduceoutput compression method

After creating,

writing and closing,

do not modify it again.

right or wrong

SNMP

VPN

BGP

syslog

to emit

execute

open

nextTuple

val counts=textFile.map(line=>line.split(" ')).map(-rd=>(word,1)).reduceByKey(_+_)

val counts=textFile.flatMap(line=>line.split(" ")).map(word=>(word,1)).reduceByKey(_+_)

val counts=textFile.map(line=>line.split(" ")).map(word=>(word,1)).groupByKey()

val counts=textFile.flatmap(line=>line.split(" ")).map(-rd=>(word,1)).reduceByKey()

Get data and convert raw data into data objects that you process yourself

Cache data and save data in memory or files according to different reliability policies

Output data to the destination, support multiple output protocols

Split the data and send the data to different destinations according to the characteristics of the data

1

2

3

4

In a network isolation environment,ZooKeeperofIPCan be configured as a businessIP, can also be configured to manageIP.

HiveUnlike traditional databases, soJDB, CThe established connection does not need to be closed.

In a secure cluster environment, establish andHiveBefore connecting, you need to use unified authentication to log in.

useJDB, CsubmitSQL, you canSQLA semicolon ";" is added after the statement.

user definedUDFBefore being used, it needs to beHivecreate this in the systemUDF.

user definedUDF, information such as summary and status is not allowed.

user definedUDF, can be added according to the actual situationdeterministicandstatefuletc. Notes.

Under the secure cluster, user-definedUDF, it is recommended to create it once before each use.

usehashstructure, and a table uses ahashKEY, a row in the table records forhash keyone of indivualed.

usehashTable structure, each row record of each table uses onehashKEY, hashKEYofebCorrespondence table

record fields, and designKEYEach table adds a different prefix to distinguish it.

useringstructure, each field of each row record of each table uses oneKEY.

usem3structure, each row record of each table uses oneKEY,,aueAll records for a row in the table. The value after the field is concatenated.

compromise method (rowkeyDesign takes into accountAandBbusiness needs)

Redundancy method (use space for time factory efficiency)

Create secondary index

pre-scoreregion

Memory

CPU

Network

DiskSpace

True

False