[Q49-Q67] Get Prepared for Your H13-723_V2.0 Exam With Actual Huawei Study Guide! : Best Free Exam Guide : http://free.exams4sures.com

NEW QUESTION 49
existSpark, assuminglinesIs anDStreamobject,filterStatements can be filtered out80%data for the following two The correct statement is:
X: lines.filter(…).groupByKey(…)
Y: lines.groupByKey(…).filter(…)

XCompareYhigher performance

XCompareYlower performance

XandYsame as performance

UncertaintyXandYdifference in performance

NEW QUESTION 50
HDFSThe system time of the node where the client is located is the same as theFusionInsight HDThe system time of the cluster should be consistent, if there is time difference, then the time difference should be less than a few minutes?

NEW QUESTION 51
FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)

hive.exec.reducers.bytes.per.reducer

hive.exec-ducers.max

hive.exec.max.dynamic.partitions

hive.exec.max.dynamic.partitions.pernode

NEW QUESTION 52
existFusionInsight HDproduct,KafkaWhat is the role name of the service?

Producer

Broker

Consumer

ZooKeeper

NEW QUESTION 53
passing throughFusionindight ManagerWhen the interface creates a user, you want the user to have access to allTopichave Read and write permissions, but not createTopicpermissions should be addedkafkaWhich group of services?

KafkaadminGroup

KakfaGroup

kafkasuperuserGroup

NEW QUESTION 54
existSolrWhen indexing, which of the following code snippets can significantly improve indexing performance? (multiple choice)

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();

NEW QUESTION 55
When the cluster is normal,RedisClient initiates oncegetCall, the client has () times of message interaction with the server?

NEW QUESTION 56
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.

True

False

NEW QUESTION 57
FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)

name-node

source (HDFSofAction)

mapred.mapper.class

job-tracker

NEW QUESTION 58
Oozieofworkflow.xmlfile is the workflow configuration file

True

False

NEW QUESTION 59
aboutStreamingthe topology (Topology), which of the following descriptions is wrong?

OneTopologyis made up of a group ofSpoutcomponents andBotcomponents passStream GroupingsA connected directed acyclic graph (DAG)

Topologywill run until it is explicitlykill

Business logic is encapsulated inTopologymiddle

OneTopologyOnly one can be specified to startWorkerprocess

NEW QUESTION 60
FusionInsight HDmiddle,Oozieclient’sJava APIwill be called when the task is run OozieClientWhich method of the class?

suspend

getJobInfo

submit

Run

NEW QUESTION 61
Which of the following causesHDFSofNameNodeEntersafemode(install”aroot form)? (multiple choice)

Active and standbyNameNodeThe disk space where the metadata is located is insufficient.

The number of missing blocks exceeds the read value.

Lost copies exceed read value.

The corrupted copy exceeds the threshold.

NEW QUESTION 62
existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectionDo some verification.
Below aboutSolr Admin UIIs the statement correct? (multiple choice)

clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesand other metadata information

clickCloud, see eachCollectionunder eachShardReplicadistribution and status

enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theReplicaIndex the actual document Number of bars, storage size and location information

Solruser group,Solr adminrole andSuper groupof users have access toSolr Admin UI

NEW QUESTION 63
aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, which of the following descriptions is incorrect?

Support based onRESTquery request

WebHCatThe return data format isSML

WebHCatbased onHTTPandHTTPSAgreement to provide services to the outside world

able to passWebHCatCreate tables, query, etc.

NEW QUESTION 64
Fusioninsight HDsystematicv100R002C60version,HiveOnly supports based onMapReduceengine query service, does not support based onSparkEngine query service

True

False

NEW QUESTION 65
aboutStreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)

SupervisorAfter the process exits, it can beNimbusAutomatically identify and pull up without affecting running business.

WorkerCan be used after abnormal exitSupervisorPulls up automatically without manual intervention.

When a node fails, the tasks on the node will be reassigned to other normal nodes without manual intervention.

NimbusAfter the failure, the backupNimbusIt will take over automatically without affecting the running business.

NEW QUESTION 66
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?

supportCSVandJSON

supportCSV,JSONandHTML

supportCSV,JSONandXML

NEW QUESTION 67
Which of the following scenarios is notflinkWhat does the component excel at()?
(multiple choice)

Batch Iterative

Computing Stream

Processing

Data Storage