Labour Day Sale - Limited Time 60% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: 575363r9

Welcome To DumpsPedia
  1. Home
  2. Huawei
  3. HCIP-Big Data
  4. H13-723_V2.0
  5. HCIP-Big Data Developer V2.0 Questions and Answers

H13-723_V2.0 Sample Questions Answers

Questions 4

Oozieofworkflow.xmlfile is the workflow configuration file

Options:

A.

True

B.

False

Buy Now
Questions 5

forHBase rowkeyThe design principles described below are correct?

(multiple choice)

Options:

A.

Attribute values with high access weight are placed inRowKeyFront

B.

Attribute values with high access weight are placed inRowkeysecond half

C.

Attribute values with good dispersion are placed inRowkeyfirst half

D.

Attribute values with good dispersion are placed inRowkeysecond half

Buy Now
Questions 6

existHadoopAmong the open source big data platforms, which are distributed storage components? (multiple choice)

Options:

A.

MapReduce

B.

SparkF

C.

HDFS

D.

HBase

Buy Now
Questions 7

Which of the following causesHDFSofNameNodeEntersafemode(safe read-only mode)?

(multiple choice)

Options:

A.

Active and standbyNameNodeof metadata is running out of disk space.

B.

The number of missing blocks exceeds the threshold.

C.

Lost replicas exceed the threshold.

D.

The corrupted copy exceeds the threshold.

Buy Now
Questions 8

In ThereNnodesFusionInsightHDDeploy in a clusterHBase, it is recommended to deploy()HMaster process, ( )RegionServerprocess?

Options:

A.

2， 2

B.

3， N

C.

2， N

D.

N, N

Buy Now
Questions 9

FlinkusecheckpointThe mechanism guarantees fault tolerance in the operation of the application.

Options:

A.

True

B.

False

Buy Now
Questions 10

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

Options:

A.

to emit

B.

execute

C.

open

D.

nextTuple

Buy Now
Questions 11

existHBaseWhich of the following interfaces or classes does not need to be involved in the implementation of business logic for writing data?

Options:

A.

Put

B.

HTable

C.

HBaseAdmin

D.

PutList

Buy Now
Questions 12

Which of the following scenarios is notflinkWhat does the component excel at()?

(multiple choice)

Options:

A.

Batch Iterative

B.

Computing Stream

C.

Processing

D.

Data Storage

Buy Now
Questions 13

FusionInsight HDin useStreamingofA, CKWhich of the following statements is true

of? (multiple choice)

Options:

A.

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

B.

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

C.

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

D.

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

Buy Now
Questions 14

aboutHiveandHadoopThe relationship of other components, the following description is wrong?

Options:

A.

Hivefinally store the data inHDFSmiddle

B.

HQLable to passMapReduceperform tasks

C.

HiveYesHadoopThe platform's data warehouse tools

D.

HiverightHBasehave strong dependencies

Buy Now
Questions 15

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

Options:

A.

Partition fields are defined when the table is created

B.

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

C.

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

D.

Partition fields can be used aswherecondition of the sentence

Buy Now
Questions 16

FusionInsight HDsystem, aboutHiveWhich of the provided file formats is not a columnar file?

Options:

A.

CRC

B.

Parquet

C.

RCFile

D.

TextFile

Buy Now
Questions 17

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

Options:

A.

hive.exec.reducers.bytes.per.reducer

B.

hive.exec-ducers.max

C.

hive.exec.max.dynamic.partitions

D.

hive.exec.max.dynamic.partitions.pernode

Buy Now
Questions 18

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

Options:

A.

Nimbus

B.

Supervisor

C.

Broker

D.

quorumpeer

Buy Now
Questions 19

in aMapReduceapplication,mapThe output of the function is viaMapReduce? ?After processing, send toreduceletter

number. This process belongs to? ?Sort and group pairs.

Options:

A.

True

B.

False

Buy Now
Questions 20

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

Options:

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.

Buy Now
Questions 21

Which of the following is notMapReducespecialty?

Options:

A.

easy to program

B.

good scalability

C.

real-time computing

D.

High fault tolerance

Buy Now
Questions 22

pass throughHBaseofcreateTableThe method creates a table, what parameters must be passed in?

Options:

A.

Table Name

B.

table names and columns

C.

Table names and column families

D.

can be empty

Buy Now
Questions 23

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

Options:

A.

user definedUDFBefore being used, it needs to beHivecreate this in the systemUDonly

B.

user definedUDF, information such as summary and status is not allowed.

C.

user definedUDF, can be added according to the actual situationdeterministicandstatefulletc. Notes.

D.

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

Buy Now
Questions 24

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

Options:

A.

name-node

B.

source

C.

mapred.mapper.class

D.

job-tracker

Buy Now
Questions 25

existHBaseWhich of the following interfaces or classes does not need to be involved in the implementation of business logic for writing data?

Options:

A.

Put

B.

HTable

C.

HBaseAdmin

D.

PutList

Buy Now
Questions 26

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

Options:

A.

HIVE

B.

HBASE

C.

HDFS

D.

DB

Buy Now
Questions 27

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

Options:

A.

Partition Table

B.

bucket table

C.

Tilt table

D.

partition+bucket table

Buy Now
Questions 28

.existFusionInsight HDin, useSparkSQL, which of the following methods (or tools) can be used to performSQLstatement?

(multiple choice)

Options:

A.

JDB, C

B.

spark-beeline

C.

spark-sql

Buy Now
Questions 29

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)

Options:

A.

hive.exec.compress.intermediate

B.

hive.intermediate.compression.codec

C.

hive.exec.compress.output

twenty three

D.

hive.intermediate.compression.type

Buy Now
Questions 30

MapReduceIn which of the following is the task ultimately performed?

Options:

A.

NodeManager

B.

container

C.

ResourceManager

D.

AppMaster

Buy Now
Questions 31

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

Options:

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.

Buy Now
Questions 32

FusionInsight HD a completeStreaming CQLWhich of the following parts does the application contain at least? (multiple choice)

Options:

A.

Create an input stream

B.

Create output stream

C.

Business action statements (such asSELECT,INSERT,JIONWait)

D.

Apply commit statement

Buy Now
Questions 33

Oozieofworkflow.xmlfile is the workflow configuration file

Options:

A.

True

B.

False

Buy Now
Questions 34

set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M

How much storage space does a file of this size actually occupy?

Options:

A.

128M

B.

100M

C.

64M

D.

50M

Buy Now
Questions 35

HDFSIn application development of , which of the following areHDFSInterfaces supported by the service? (multiple choice)

Options:

A.

BufferedOutputStream.write

B.

BufferedOutputStream.flush

C.

FileSystem.create

D.

FileSystem.append

Buy Now
Questions 36

FusionInsight HDofHive, user-definedUDFcan andHiveBuilt-inUDFduplicate name, in this case,

will use user-definedUDF.

Options:

A.

True

B.

False

Buy Now
Questions 37

FusionInsight HDsystem, aboutHiveWhich of the provided file formats is not a columnar file?

Options:

A.

CRC

B.

Parquet

C.

RCFile

D.

TextFile

Buy Now
Questions 38

FusionInsight HDin, aboutOozieWhich of the following descriptions is correct? (multiple choice)

Options:

A.

submitcommand to change the status of the job toPREP

B.

startcommand allowsPREPThe status of the job changes toRUNNING

C.

runcommand to change the job status toRUNNING

D.

killCommands can act onPREP/SUSPEND/RUNNINGstatus job

Buy Now
Questions 39

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

Options:

A.

name-node

B.

source

C.

mapred.mapper.class

D.

job-tracker

Buy Now
Questions 40

existFusionInsight HDin, useSparkSQL, which of the following methods (or tools) can be used to performSQLstatement?

(multiple choice)

Options:

A.

JDB, C

B.

spark-beeline

C.

spark-sql

Buy Now
Questions 41

Spark Streamingavailable fromKafkaReceive data and perform calculations, and the calculation results can only be stored inHDFS, can no longer be written backKafka.

Options:

A.

True

B.

False

Buy Now
Questions 42

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

Options:

A.

1

B.

2

C.

3

D.

4

Buy Now
Questions 43

FusionInsight HDmiddle,OozieBefore submitting the job, you need to upload the configuration files andjarpackage toHDFS

Options:

A.

True

B.

False

Buy Now
Questions 44

HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodeFestival

point information?

Options:

A.

hdfs fsck /test.txt–files

B.

hdfs fsck /text.txt–locations

C.

hdfs fsck /test.txt–blocks

D.

hdfs fsck /test.txt–list–corruptfileblocks

Buy Now
Questions 45

Suppose there is an application with10Tables, each table has tens of millions of records, and the number of fields is about20indivual.

Currently usingRedisto cache this10The data of a table, the design of its data structure, which of the following is the best design?

Options:

A.

usehashstructure, and a table uses ahash key, a row in the table records forhash keyone offield.

B.

usehashstructure, each row record of each table uses onehash key,hash keyoffieldThe fields of the corresponding table records,

and designKEYEach table adds a different prefix to distinguish it.

C.

usestringstructure, each field of each row record of each table uses oneKEY.

D.

usestringstructure, each row record of each table uses oneKEY,valueAll fields recorded for a row in a table? ? back

value of .

Buy Now
Questions 46

Fusion Insight HDmiddle,StreamingWhich of the following scenarios is applicable? (multiple choice)

Options:

A.

Streaming data monitoring

B.

Real-time visit statistics of the website

C.

Offline log analysis

D.

Traffic flow analysis

Buy Now
Questions 47

existSparkIn application development, which of the following codes can correctly count words?

Options:

A.

val counts=textFile.map(line=>line.split(" ')).map(-rd=>(word,1)).reduceByKey(_+_)

B.

val counts=textFile.flatMap(line=>line.split(" ")).map(word=>(word,1)).reduceByKey(_+_)

C.

val counts=textFile.map(line=>line.split(" ")).map(word=>(word,1)).groupByKey()

D.

val counts=textFile.flatmap(line=>line.split(" ")).map(-rd=>(word,1)).reduceByKey()

Buy Now
Questions 48

about the followingHDFSWhat is the correct process for the client to read the file? (multiple choice)

Options:

A.

priority from the nearestDataNodeDownload data.

B.

file data fromDataNodeback toNameNode, then fromNameNodeDown to the client.

C.

If the client and the connectedDataNodeIf there is a failure in reading, then the client will give up the applause node and connect the node where other replicas are located.

D.

Supports multiple clients fromDataNoderead the same file data.

Buy Now
Questions 49

FusionInsight HDin, belonging toStreamingWhat are the methods of data distribution? (multiple choice)

Options:

A.

Shuffle Grouping

B.

Field Grouping

C.

Local Grouping

D.

Direct Grouping

Buy Now
Questions 50

TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBaseDynamic expansion is not supported.

Options:

A.

True

B.

False

Buy Now
Questions 51

Flumesupport real-time data collectionsourceWhich is the type?

Options:

A.

taildir

B.

Log4j

C.

JMS

D.

Thrift

Buy Now
Questions 52

existMapReduceIn application development of , which of the followingJAVA, Class responsible for managing and running a computational task?

Options:

A.

lob

B.

Context

C.

FileSystem

D.

Configuration

Buy Now
Questions 53

Fusionlnsigt HDofHiveWhat distributed computing frameworks can components run on? (multiple choice)

Options:

A.

Spark

B.

Streaming

C.

MapReduce

D.

HDFS

Buy Now
Questions 54

FusionInsight HDsystem, aboutHiveofJDB, CInterface type, which of the following descriptions is correct of?

Options:

A.

In a network isolation environment,ZooKeeperofIPCan be configured as a businessIP, can also be configured to manageIP.

B.

hiveUnlike traditional databases, soJDB, CThe established connection does not need to be closed.

C.

In a secure cluster environment, establish andHiveBefore connecting, you need to use unified authentication to log in.

D.

useJDB, CsubmitSQL, you canSQLPut a semicolon after the statement";"

Buy Now
Questions 55

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:

A.

name ten mobile number

B.

date ten phone number

C.

Phone number+date

D.

Phone number+Name

Buy Now
Questions 56

existFusionInsight HDclient, executeskinit{account number}command is to getKDCwhich of the item content?

Options:

A.

Krb5

B.

conf

C.

TGT

D.

jaas.conf

Buy Now
Questions 57

FusionInsight HDofLoader, a connector can only be assigned to one job.

Options:

A.

True

B.

False

Buy Now
Questions 58

Fasionlrnight HD Heenein the group,Table1GenusFNamespacel,Table2GenusFNamespace2,

Table1there are two1columns, respectivelyRdf11.df12,TablezThere is a column home namedf21, then which of the following

user account9AAt the same time have|ef18d21oftwrite rights. (multiple choice)

Options:

A.

Give this user accountglobelread permission

B.

Give this user accountNamespace1read and write permissions

C.

Give this user accountTable1andTable2read and write permissions

D.

Give wave user accountNamespace1andNamespace2read and write permissions,

Buy Now
Questions 59

existMapReduceIn application development of , which of the followingJAVAThe class is responsible for managing and running a

Counting tasks?

Options:

A.

Job

B.

Context

C.

FileSystem

D.

Configuration

Buy Now
Questions 60

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

Options:

A.

IbClient.setRequestWriter(new BinaryRequestWriter())

B.

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

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

C.

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

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

D.

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();

Buy Now
Questions 61

existStreamingin application development,BoltThe class uses which of the following interfaces to sendTuple?

Options:

A.

emit (issue)

B.

execute

C.

open

D.

nextTuple

Buy Now
Questions 62

FusionInsigt HD one deployed inTomcatapplication on theHBaseservice, this

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

Options:

A.

True

B.

False

Buy Now
Questions 63

Rcboft0system, abouteWhich of the provided file formats is not in column format?

Options:

A.

ORC(High-performance column store)

B.

Parquetcolumn store

C.

RCFileRow-column storage

D.

TextFile

Buy Now
Questions 64

existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCoretstandtasQaon.eaR. operation, etc.

Options:

A.

True

B.

False

Buy Now
Questions 65

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

Options:

A.

Nimbus

B.

Supervisor

C.

Broker

D.

quorumpeer

Buy Now
Questions 66

FusionInsight HD which components are provided externallySQLor classSQLability? (multiple choice)

Options:

A.

HBase

B.

Hive

C.

Spark

D.

Redis

Buy Now
Questions 67

scountryonnsgtHDWhen developing applications with a secure version, you can usekeytabfile forKerberosinstall

Fully certified.

Options:

A.

True

B.

False

Buy Now
Questions 68

useFusionInsight HDofHiveQuery data, when the intermediate result of the query has a large amount of data.

You can choose to compress the network result data to obtain better performance. Which of the following areHiveCorrelation of intermediate result compression

parameter? (multiple choice)

Options:

A.

hive.exec.compress.intermediate

B.

hive.intermediate.compression.codec

C.

hive.exec.compress.output

D.

hive.intermediate.compression.type

Buy Now
Questions 69

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

Options:

A.

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

B.

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

C.

intersect(other:DataFrame):DataFrameright2indivualdataframeTake the intersection

D.

dropDuplicates():DataFramedata deduplication

Buy Now
Questions 70

existKafkain, aboutConsumerWhich statement is correct? (multiple choice)

Options:

A.

mouthConsumerMainly for data consumption

B.

mouthConsumerNeed to specify when consuming dataTopic

C.

multiple mouthsConsumerconfigure the samegroup.idwhen theseConsumerConsumed data will not be duplicated

D.

Kou XinConsumerAPIConsumption data does not need to be specifiedZooKeeperaddress

Buy Now
Questions 71

An application requires simultaneous and twoFusionInsightCluster interaction: both need to access the cluster1ofHBase

Serve,Xneed to cut county2ofHiveservice, then which of the following operations is necessary? multiple choice)

Options:

A.

-Create the account required by this application on cluster 1, and set this account to access the HBase service of this cluster

B.

-Create an account with the same name in option A on cluster 2, and set this account to access the Hive service in this episode e

C.

Accounts created by the -A option and the B option must belong to supr.

D.

Cluster 1 and Cluster 2 complete the mutual trust operation

Buy Now
Questions 72

FusionInsight HDin the system,SolrExample projectsolr-examplelconfsolr-example.properties middleZK URLandZOOKEEPER DEFAULT SERVER PRINCIPALThe value of can be selected from which of the following options Obtain?

Options:

A.

fromSolr Admin UIinterface acquisition

B.

existsolr-examplelconf solr-example.properties, already with these two parameters by default

C.

fromFusionInsight Manager SolrGet the service configuration interface

Buy Now
Questions 73

SparkThe calculation logic of the application will be parsed intoDAG, this parsing operation is completed by which of the following function modules

become?

Options:

A.

Client

B.

ApplicationMaster

C.

Executor.

D.

Driver

Buy Now
Questions 74

Spark StreamingAs a micro-batch stream processing engine, it converts the data of each time slice into aRDDone of partitions are calculated.

Options:

A.

True

B.

False

twenty two

Buy Now
Questions 75

existFlumeDuring cascaded transfers, you can usefail overmode transfer, so that if the next hop isFlumenode failure or

When the data is received abnormally, it can automatically switch to another way to continue transmission.

Options:

A.

True

B.

False

Buy Now
Questions 76

Below aboutZooKeeperThe description of the feature is wrong ()?

Options:

A.

Updates sent by the client are applied in the order in which they were sent.

B.

A message to be read by more than halfserverreceive, it will be able to successfully write to disk.

C.

Message updates can only succeed or fail, with no intermediate states.

D.

ZooKeeperThe number of nodes must be an odd number.

Buy Now
Questions 77

Oozieofworkflow.xmlfile is the workflow configuration file

Options:

A.

True

B.

False

Buy Now
Questions 78

existSpark, which of the following statements about broadcast variables is correct?

Options:

A.

broadcast variable in everyTasksave a copy

B.

broadcast variable in eachExecutorsave a copy

C.

Broadcast variables are read-only

D.

broadcast variable viaSparkContext.broadcast() method to generate

Buy Now
Exam Code: H13-723_V2.0
Exam Name: HCIP-Big Data Developer V2.0
Last Update: Apr 24, 2024
Questions: 526
$64  $159.99
$48  $119.99
$40  $99.99
buy now H13-723_V2.0