Huawei H13-723_V2.0 Exam Practice Test Instant Access

Question 1

HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return to writing

Entry failed.

ATrue

BFalse

Answer : B

Question 2

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

AOneTopologyis made up of a group ofSpoutcomponents andBoltcomponents passStream GroupingsA connected directed acyclic graph
(DAG)

BTopologywill run until it is explicitlykill

CBusiness logic is encapsulatedTopologymiddle

DOneTopologyOnly one can be specified to startWorkerprocess

Answer : D

Question 3

Fusionlnsiht HDmiddle,Oozieclient'sJava APIwill be called when the task is runOozieClientWhich method of the class?

Asuspend

BgetJoblnfo

Csubmit

Drun

Answer : D

Question 4

FusionInsight HDin, useStreamingThe command? way to submitexample.jarmiddleom huawei example

WrodCounttask, task name iswcTeat, is the following execution command correct?

Astorm jar example jar wcTest om huawei example WordCount

Bstorm jar example jar wcTest WrodCount

Cstorm jar example jar om huawei example WordCount wcTest

Dstorm jar example jar WorkCount wcTest

Answer : C

Question 5

for running onMapReduceThe application on the platform that this application depends onjarWhere will the bag be placed?

AHIVE

BHBASE

CHDFS

DDB

Answer : C

Question 6

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

AmouthIbClient.setRequestWriter(new BinaryRequestWriterO);

Bmouthif(updateRequest.getDocumentsMapO.size)>=10000){
cloudSolrClient.request(updateRequest,collName);updateRequest.clear);

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

DcloudSolrClient.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:

Answer : A, B, C

Question 7

for running onMapRestoeThe application on the platform, on which this application is basedjarpackage is placed where?

AHIVE

BHBASE

CHDFS

DDB

Answer : C

Huawei H13-723_V2.0 HCIP-Big Data Developer V2.0 Exam Practice Test