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

Prepare effectively for your Huawei H13-723_V2.0 HCIP-Big Data Developer V2.0 certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 526 questions

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

Fully certified.

A.

True

B.

False

Which of the following is notMapReducespecialty?

A.

Easy to program.

B.

Good scalability

C.

Calculate in real time

D.

High fault tolerance

existSparkIn application development, which of the following codes can correctly count words?

A.

rval counts = textFile.map(line => line.split("")).map(word =>(word,

1)).reduceByKey(+)

B.

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

1)).reduceByKey(+)

C.

vrval counts = textFie.map(line => line.split(")).map(word =>(word,

1)).groupByKey( )

D.

vrval counts = textFile.flatMap(line => line.split("")).map(word =>(word,

1)).groupByKey( )

Fusionmnsight HDproductSoDuring application development, you canSolr Admin UIxrightCollection

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

A.

Click Tree under Cloud to view metadata such as Collections, configuration sets, and ive nodes in Solr loud information

B.

Click Cloud to view the Replica distribution and status of each Shard under each Collection

C.

Enter the Core Oveview interface where Calectiopeyshard Replicaf is installed, and you can view the Replca index Real Qunwen You Department relies on storing size and location information

D.

Users of the Sor user group, Solr admin role, and Super group can access the Solr Admin UI

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

A.

IbClient.setRequestWriter(new BinaryRequestWriter())

B.

if(updateRequest.getDocumentsMap(O.size( )>= 10000)cloudSolClient.request

(updateRequest,collName);updateRequest.clear();}

C.

if(updateRequest.getDocuments( ).size( )>= 1000){

cloudSolrClient.request(updateRequest,collName);updateRequest.clear();}

D.

SolrInputDocument doc = new SolrInputDocument();doc.addField("id",i.toString

());doc.addField("name", "Zhang San"+ i);doc.addField("features","test"+ i);doc.addField

("price", (float)i*1.01);cloudSolrClient.add(doc);cloudSolrClient.commit();

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

A.

True

B.

False

which is notflumeofchannelTypes of?

A.

Memory Channel

B.

File Channel

C.

JDB, C Channel

D.

HDFS Channel

HBaseWhich application scenarios are not suitable for?

A.

requires fullA, CIDFeature application scenarios

B.

Mass data application scenarios

C.

High throughput application scenarios

D.

Semi-structured data application scenarios

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

become?

A.

Client

B.

ApplicationMaster

C.

Executor.

D.

Driver

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

A.

Attribute values with high access weight are placed inRowKeyFront

B.

Attribute values with high access weight are placed inRowkeysecond half

C.

Attribute values with good dispersion are placed inRowkeyfirst half

D.

Attribute values with good dispersion are placed inRowkeysecond half

Oozieofworkflow.xmlfile is the workflow configuration file

A.

True

B.

False

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

A.

True

B.

False

HBasetablerowkeyDesign is a very important development and design link. Suppose there is the following scenario,

The most frequent query scenario is to query the historical call records of each month and half a year based on the mobile phone number. Which of the followingrowkey

Design is optimal?

A.

name ten mobile number

B.

date ten phone number

C.

Phone number+date

D.

Phone number+Name

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

Counting tasks?

A.

Job

B.

Context

C.

FileSystem

D.

Configuration

fusioninsight, an application to chargeKerberosSecurity certification, which of the following options are

must be used? (multiple choice)

A.

krb5.confconfiguration file

B.

existFusionInsight ManagerUser account applied on

C.

user accountkeytabdocument

D.

jaas.confconfiguration file

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

A.

mouth broadcast variable in eachTasksave a copy

B.

mouth broadcast variable in eachExecutorsave a copy

C.

Port broadcast variables are read-only

D.

port broadcast variable viaSparkContext.broadcast) method to generate

HDFSRuntime,(NameNodeAt startup,)NameNodewill file system metadata from

The disk is all loaded into memory, so the total number of files that the file system can store is limited byNameNodeof memory

capacity.

A.

True

B.

False

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);

A.

3

B.

4

C.

5

D.

6

RedisIn cluster mode, useJAVAWhich of the following is a best practice for application development?

A.

useJedisobject connectionRedis Server,transferJedisofset.qetWaiting for business operation interface to process data operate.

B.

useJedisPoolobject createdJedisObject pool, each business operation starts fromJedisPoolget one Jedisobject, then call,Jedisofset.getWait for the business operation interface to perform data operations.

C.

useredisClusterobject connectionRedis Server,transferJedisClusterofset.getother business operations interface for data manipulation; in multithreaded applications, multiple threads share oneJedisClusterobject.

D.

useJedisClusterobject connectionRedis Server,transferJedisClusterofset,getother business operations interfacet.

In multithreaded applications, each thread creates aJedisClusterobject.

TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBase Dynamic expansion is not supported.

A.

True

B.

False

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

A.

mouthIbClient.setRequestWriter(new BinaryRequestWriterO);

B.

mouthif(updateRequest.getDocumentsMapO.size)>=10000){

cloudSolrClient.request(updateRequest,collName);updateRequest.clear);

C.

mouthif(updateRequest.getDocuments).size(O>=1000){

D.

cloudSolrClient.request(updateRequest,collName);updateRequest.clearO;

S8tW9H2xgntdc=new SolrInputDocument);

doc.addField("id",i.tostring( )doc.addField("name", "Zhang San4i);

doc.addField("features","test"+i):

doc.addreldc"price, (float)*1.oi);

cloudSolrClient.add(doc);

cloudSolrClient.commitO:

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

A.

hive.exec.reducers.bytes.per.reducer

B.

hive.exec.reducers.max

C.

hive.exec.max.dynamic.partitions

D.

hive.exec.max.dynamic.partitions.pernode

RedisofLISTData structure, suitable for which of the following scenarios? (multiple choice)

A.

Build queuing systems, such as message queues

B.

Port uniq operations, such as getting the ranking value of all data in a certain period of time

C.

Get the latest N data operations: for example, get the latest 10 comments on a Weibo

D.

simulating stack operations

HBasedata fileHFileone ofKeyValueWhat information does the format contain?

(multiple choice)

A.

Key

B.

Value

C.

timeStamp

D.

KeyType

Fusioninsight HDin useStreamingofA, CKWhich of the following statements is true

of? (multiple choice)

A.

enabledAckerLater,StreamingIt will identify the failure to sendTupleAnd automatically resend, no need for human intervention pre.

B.

AckerThe message that will identify the processing timeout or processing failure isfail.

C.

fromspoutstarted, formedTupleFailure of any link in the tree will mark the entire tree as failed.

D.

The application needs to be inspoutoffail() interface method to implement message resend logic.

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

must be deleted manually.

A.

True

B.

False

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

A.

sent in order.

B.

True

C.

False

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);

A.

3

B.

4

C.

5

D.

6

HiveWhich of the following scenarios does not apply to?

A.

Real-time online data analysis.

B.

Data mining, such as user behavior analysis, interest division, regional display.

C.

Data summary, such as daily and weekly user clicks, click ranking.

D.

Non-real-time analysis, such as log analysis, statistical analysis.

FHumeofproperties.propertiesMultiple configurations can be configured in the configuration filechannelto transmit data.

A.

True

B.

False

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