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

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Total 526 questions

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

A.

True

B.

False

FusionInsight HDin, belonging toStreamingWhat are the roles of the service? (multiple choice)

A.

Nimbus

B.

Supervisor

C.

Broker

D.

quorumpeer

Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100Msize file, real

How much storage space does it take up?

A.

128M

B.

100M

C.

64M

D.

50M

useFusionInsight HDofHiveQuery data, when the amount of data in the intermediate results of the query is large, you can choose to compress the intermediate data

Structured data for better performance.

Which of the following areHiveRelevant parameters for intermediate result compression? (multiple choice)

A.

hive.exec.compress.intermediate

B.

hive.intermediate.compression.codec

C.

hive.exec.compress.output

D.

hive.intermediate.compression.type

there are the following scenarios: new data is generated by the online system every day500G, it is necessary to analyze these data by day, week,

Monthly and other dimensions for statistical summary. ask if it is suitable for useHiveWhat kind of table to handle?

A.

Bucket table, bucket according to day

B.

Partition table, partitioned by day

C.

skew table, skew field select date, skew value random

D.

partition+Bucket table, partitioned by time, each partition2560buckets

aboutstreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)

A.

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

B.

WorkerCan be used after abnormal exitsupervisorsPulls up automatically without manual intervention

C.

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

D.

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

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(…)

A.

XCompareYhigher performance

B.

XCompareYlower performance

C.

XandYsame as performance

D.

UncertaintyXandYdifference in performance

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

A.

Support based onRESTquery request

B.

WebHCatThe return data format isSML

C.

WebHCatbased onHTTPandHTTPSAgreement to provide services to the outside world

D.

able to passWebHCatCreate tables, query, etc.

HiveWhich of the following table types are supported? (multiple choice)

A.

Partition Table

B.

bucket table

C.

Tilt table

D.

partition+bucket table

SparkWhat kind of parameter setting methods does the application have? (multiple choice)

A.

in the application configuration filespark-defaults.confconfigure in

B.

When submitting your application, by-confmake settings

C.

In the application code, passSparkContextofsetPropertymethod to set

D.

In the application code, passSparkConfobject to set

FusionInsight HDmiddle,OoziesupportHDFS Action.

A.

True

B.

False

FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use a

StreamingUser with submit permissionkinitway authentication

A.

True

B.

False

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

A.

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

B.

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

C.

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

D.

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

existStreamingin application development,BoltUse which of the following interfaces to sendTuple?

A.

to emit

B.

execute

C.

open

D.

nextTuple

FusionInsight HDin, yesSolrThe creation of various resources and the use of read and write permissions, which of the following statements is wrong?

A.

SolrUser group users can create configuration sets and createCollectionwhen specifying the configuration set

B.

SolrUsers of the user group can createCollection

C.

Collectioncreator, theCollectionroles with read and write permissions andSolr adminrole can beCollectionEnter row update

D.

onlyCollectioncreator andSolr adminRoles can be deletedCollection