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

HCIP-Big Data Developer V2.0

Last Update 12 hours ago Total Questions : 526

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Question # 121

HDFSThere is a file in the cluster root directorytest, which of the following commands can find the file stored in ofDataNodeNode information?

hdfs fsck/test.txt-files

hdfs fsck/test.txt-locations

hdfs fsck/test.txt-blocks

hdfs fsck/test.txt-list-corruptfileblocks

Question # 122

FusionInsight HDin useStreamingofA, CKWhich of the following statements is true

of? (multiple choice)

After enabling Acker, Streaming will identify the failed Tuple and automatically resend it without human intervention pre.

Acker will identify the processing timeout or processing failed messages as fail.

Starting from the spout, failure of any link in the formed tuple tree will mark the entire tree as failure.

The application needs to implement the message resend logic in the fail) interface method of spout.

Question # 123

FusionInsightHDin, aboutHivepartition (partition) function, which is wrong as described below?

Partition fields are defined when the table is created

There can only be one partition field, and multi-level partitions cannot be created

Using partitions can reduce the data scan range of some queries, thereby improving query efficiency

Partition fields can be used aswherecondition of the sentence

Question # 124

existFlumemiddle,sourceWhat is the main function of the function module?

Get data and convert raw data into data objects that you process yourself

Cache data and save data in memory or files according to different reliability policies

Output data to the destination, support multiple output protocols

Split the data and send the data to different destinations according to the characteristics of the data

Question # 125

aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not

the correct one is?

Support based onRESTquery request

WebHCatThe return data format isXML (Json)

WebHCatbased onHTTPandHTTPS

Agreement to provide services to the outside world able to passWebHCatCreate tables, query, etc.

Question # 126

when aMapReduceWhen the application is executed, which of the following actions ismapoccurs before the stage of?

Split

combine

partition

sort

Question # 127

FusionInsight ManagerRegarding the management operations of services, which of the following statements is wrong?

Can start, stop and restart the service

Services can be added and uninstalled.

Uncommon services can be set to hide or show

Can view the current status of the service

Question # 128

FusionInsight HDin, aboutHive(MR,SPARK,TEZ)andSparksql(Sparkcore), which of the following

Is the description correct?

(multiple choice)

Both are available externallySQLor classSQLability

Both can run onMapReduceon the computational framework

Both are available via table fields andHBaseAccess by field mappingHBasedata on

Both can run onSparkon the computational framework

Question # 129

aboutFlumeThe characteristics of the collected data, which of the following descriptions are correct?

Supports distributed and streaming acquisition

with the help ofMapReducetask parallel collection

Only structured data can be collected

Trigger data collection with external timing tasks

Question # 130

FusionInsigt HD the user wants to passHBase shelloperation to query aHBasein the table In this scenario, it is recommended that the administrator assign a machine account to this user.

True

False

Question # 131

existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?

AssumeSmapinput compression method

set upmapHow the output is delivered

set upmapoutput compression method

set upreduceoutput compression method

Question # 132

FusionInsight HDmiddle,Oozieclient ' sJava APIwill be called when the task is run

OozieClientWhich method of the class?

suspend

getJobInfo

submit

Run

Question # 133

FusionInsight HDin, aboutLoaderIs the job description correct?

LoaderSubmit the job toARNAfter execution, if at this timeLoaderIf the service is abnormal, this job executes line failed.

LoaderSubmit the job toYARAfter a small execution, if a certainMapperTask execution fails, can be automatically Try again.

LoaderIf the job fails to execute, garbage data will be generated, which needs to be cleared manually by the user.

LoderSubmit an assignment toYARAfter the job is executed, no other jobs can be submitted until the job is executed Industry.

Question # 134

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?