Huawei H13-723_V2.0 Exam Questions Free Practice Test

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Questions # 1:

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

Options:

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 situationdeterministicandstatefulletc. Annotation

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

Questions # 2:

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

Options:

IbClient.setRequestWriter(new BinaryRequestWriter())

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

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

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

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

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();

Questions # 3:

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

Options:

True

False

Questions # 4:

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.

Options:

True

False

Questions # 5:

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

Options:

Attribute values with high port access weights are placed inRowKeyFront

Attribute values with high port access weights are placed inRowkeysecond half

The attribute value with good dispersion is placed inRowkeyfirst half

The attribute value with good dispersion is placed inRowkeysecond half

Questions # 6:

existFusionInsight HDThe key to the product38-by5Taste+Taste4Tian QiyaSWhen the armor is developed, you can pass the

passSolr Admin UIxrightCollectionDo some verification. Below (multiple choice)

Options:

Click Tree under Cloud to view cafrCollections, configuration sets and ive nodes in Solr Cloud and other metadata information

Click cloud to view the distribution and status of the replicas of each shard under the backup callion

Enter the Collectionyshard Replicats that you and Confidence Check 1dKepca's (ore-Oevew Open, you can view the actual number of documents submitted for the Relica index

The solr user group, solr, admin, and .Rrg can be used by the sr public and the .Rrg

Questions # 7:

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?

Options:

name ten mobile number

date ten phone number

Phone number+date

Phone number+Name

Questions # 8:

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

Options:

filer(conditionExpr:String):DataFrameFilter data based on filter criteria

Join(right:DataFrame,joinExprs:Column):DataFrameaccording to the specified expressionjoin

intersect(other:DataFrame):DataFrameright2indivualdataframeTake the intersection

dropDuplicates():DataFramedata deduplication

Questions # 9:

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

Options:

mouthJDB, Cinterface

mouthODB, Cinterface

mouthPythoninterface

mouthRubyinterface

Questions # 10:

FusionInsigt HD one deployed inTomcatapplication on theHBaseservice, this

It is recommended to use a machine account in this scenario.

Options:

True

False

Questions # 11:

FSpark Streamingapplication, in aJVM, there can only be one at a time

StreamingContextin active state

Options:

True

False

Questions # 12:

FusionInsight HDin, belonging toStreamingWhat are the methods of data distribution?

(multiple choice)

Options:

mouthShuffle Groupingrandom grouping

mouthField Groupingfield grouping

mouthLocal Groupinglocal grouping

mouthDirect Groupingdirect grouping

Questions # 13:

Which of the following is notHBaseThe roles or services involved in the read data process? (Writing isHMaster)

Options:

ZooKeeper

HDFS

HMaster

RegionServer

Questions # 14:

solris a high-performance, basedLucenefull-text search service.SolrxrightLuceneto expand,

Loss of fruit supportSolrCloudmodel.

Options:

True

False

Questions # 15:

Fusioninsight HDin useStreamingofA, CKWhich of the following statements is true

of? (multiple choice)

Options:

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

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

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

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

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