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Question 1

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?

Options:

KafkaadminGroup

KakfaGroup

kafkasuperuserGroup

Question 2

FlumewriteHDFSWhen the file is generated, what are the ways of generating the file? (multiple choice)

Options:

Generate files directly according to the source file name

Set the file generation time interval, close the old file when the time interval is reached, and the new data will be written to the new file

Set a single file size, when the file size reaches the set value, the old file will be closed and the new data will be written import new file

Set up single file storageeventquantity, when the file is storedeventWhen the number reaches the set value, close the old text file, new data will be written to a new file

Question 3

Which of the following options isYarncore functionality?

Options:

storage

Resource management

data transmission

Question 4

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

Options:

Create an input stream

Create output stream

Business action statements (such asSELECT,INSERT,JIONWait)

Apply commit statement

Question 5

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

Options:

priority from the nearestDataNodeDownload data.

file data fromDataNodeback toNameNode, then fromNameNodeDown to the client.

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.

Supports multiple clients fromDataNoderead the same file data.

Question 6

An application requires simultaneous and twoFusionInsightsCluster interaction: both need to access the cluster1ofHBaseservice, need to visit

Ask the cluster2ofHiveServe;

So which of the following operations are required? (multiple choice)

Options:

in the cluster1Create the account required for this application on theHBaseServe

in the cluster2created onAThe account with the same name in the options, and set this account to be able to access the cluster'sHiveServe

Aoptions andBThe account created by the option must belong tosupergroupGroup

cluster1and cluster2Complete the mutual trust operation

Question 7

Fusioninsight HDin, yessolrThe creation and read and write permissions of various resources are applicable. Which of the following statements is wrong?

Options:

SolrUser group users can create configuration sets and createcollectionis to specify the configuration set

SolrUsers of the user group can createcollection

Collectioncreator, thecollectionroles with read and write permissions andsolr adminrole can be

collectionmake an update

onlycollectioncreator andsolr adminRoles can be deletedcollection

Question 8

HBasetablerowkeyDesign is a very important development and design link.

Options:

Name+Phone number

date+Phone number

Phone number+date

Phone number+Name

Question 9

forN(N>1) copies of stored documents,HDFSThe client initiates a read file request. If the read replica node fails,

Return failure directly and will not go to other replica nodes for reading.

Options:

True

False

Question 10

Fusioninsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)

Options:

ShellOrder

Java API

Hue UI

Rest API

Question 11

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

Options:

Question 12

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?

Options:

128M

100M

64M

50M

Question 13

existMapReduceIn the development framework,InputFormatWhat is the function of the class?

Options:

mergemapThe result of the stage has the samekeyvalue key-value pair

put allmapThe results of the stages are merged to get the final result

rightmapThe results of the stages are sorted and merged

Split the input data into individualsplit, and willsplitfurther split intoyes, then asmapletter

input of numbers

Question 14

existFusionInsight HDin the cluster,FlumeWhich service does not support writing collected data to the cluster?

Options:

HDFS

HBase

Kafka

Redis

Question 15

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

Options:

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.

Question 16

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

Options:

Nimbus

Supervisor

Broker

quorumpeer

Question 17

existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?

Options:

AssumeSmapinput compression method

set upmapHow the output is delivered

set upmapoutput compression method

set upreduceoutput compression method

Question 18

RedisWhich scenarios does not apply to Aestivation? (multiple choice)

Options:

complex transaction operations

Counter application: such as counting the number of landings on a website

A message queue application where a message is consumed by multiple consumers at the same time and the message is guaranteed to be successfully consumed by all subscribers (subscription-pass

Know)

get latestNdata: for example, for a certain microblog, get the latest10comments

Question 19

FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)

Options:

ShellOrder

Java API

Hue UI

Rest API

Question 20

aboutFusionInsight HDofSpark, which of the following programming languages can be used to developSparkapplication? (multiple choice)

Options:

Scala

Java

Python

Question 21

KafkaIt is a distributed message publishing and subscribing system. It only forwards messages and does not guarantee

save message.

right or wrong

Options:

Question 22

aboutFlumeWhich of the following descriptions is correct?

Options:

(1) data fromsourcearrivechannel;(2)sinkfromchannelfetch data

(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data.

(1) data fromsinkarrivechannel;(2)sourcefromchannelfetch datao

(1) data fromchannelarrivesource;(2)sinkfromsourcefetch data

Question 23

Fusioninsight HDin useStreamingofA, CKWhich of the following statements is true

of? (multiple choice)

Options:

enabledAckerLater,StreamingIt will identify the failure to sendTupleAnd automatically resend, no need for human intervention pre.

AckerThe message that will identify the processing timeout or processing failure isfail.

fromspoutstarted, formedTupleFailure of any link in the tree will mark the entire tree as failed.

The application needs to be inspoutoffail() interface method to implement message resend logic.

Question 24

FusionInsightHDin the system,HiveWhat are the supported interface types? (multiple choice)

Options:

mouthJDB, Cinterface

mouthODB, Cinterface

mouthPythoninterface

mouthRubyinterface

Question 25

FusionInsight HD assuming a topology that setsspoutConcurrency is3,bolt1Concurrency

for2,bok2Well degree is3.workerThe number is2,Sobolt1ofexecutorexistworkerhow to divide Cloth?

Options:

twoworkerone of theworkerdistribute two

twoworkerone for each

no fixed rules

twoworkerBoth are distributed

Question 26

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

Options:

True

False

Question 27

which come downRedisIs the command an atomic operation?

Options:

INCR(aThe stored digital value is incremented by one)(DECR)

HOY(eesurfacekeydomain infieldvalue plus incrementincrement)

UURH(MRnpuhoperate)

All of the above

Question 28

Which of the following application scenarios mainly generate unstructured data?

(multiple choice)

Options:

CRMcustomer relationship management business

Seismic Mapping Analysis Business

Taobao online payment service

Financial Bill Imaging Service

Question 29

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

Options:

Table Name

table names and columns

Table names and column families(family)

can be empty

Question 30

SparkandHadoopNeither is suitable for iterative calculation scenarios.

Options:

True

False

Question 31

FusionInsigt HD which of the following components can be used for data collection? (multiple choice)

Options:

mouthFlume

mouthLoader

mouthHBase

mouthMapReduce

Question 32

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

Options:

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 33

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

Counting tasks?

Options:

Job

Context

FileSystem

Configuration

Question 34

FusionInsight HDofStreamingforZooKeeperweak dependency, even ifZooKeeperFault

StreamingServices can also be provided as normal.

Options:

True

False

Question 35

RedisofLISTData structure (multiple choice) Which scenarios?

Options:

Build queuing systems, such as message queues

uniq operations, such as getting the ranking value of all data in a certain period of time

Get the latest N data operations: For example, for a Weibo, get the latest 10 comments,

Simulate stack operations

Question 36

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

Options:

Job

Context

FileSystem

Configuration

Question 37

FusionInsightHD which components are provided externallySQLor classSQLability? (multiple choice)

Options:

mouthHBase

mouthHive

mouthSpark

mouthRedis

Question 38

Which of the following is notHBaseThe roles or services involved in the read data process? (Writing isHMaster)

Options:

ZooKeeper

HDFS

HMaster

RegionServer

Question 39

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

Options:

Nimbus

Supervisor

Broker

quorumpeer

Question 40

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

Options:

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

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

intersect(other:DataFrame):DataFrameright2indivualdataframeTake the intersection

dropDuplicates():DataFramedata deduplication

Question 41

HDFSSupport large file storage, support for multiple users to write operations to the same file at the same time, and

can be modified anywhere in the file.

Options:

True

False

Question 42

Fusionlnsigt HD one deployed inTomcatapplication on theHBaseservice, it is recommended to use in this scenario machine account.

Options:

True

False

Question 43

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

Options:

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

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

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

useJDB, CsubmitSQL, you canSQLA semicolon ";" is added after the statement.

Question 44

FlinksupportLocalpattern andClusterpattern deployment(and cloud deployment), other deployment modes are not currently supported.

Options:

True

False

Question 45

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

Options:

True

False

Question 46

FlumewriteHDFSWhen the file is generated, what are the ways of generating the file? (multiple choice)

Options:

Generate files directly according to the source file name

Set the file generation time interval, close the old file when the time interval is reached, and the new data will be written to the new file

Set the size of a single file, when the file size reaches the set value, the old file will be closed, and the new data will be written to the new file

Set up single file storageeventquantity, when the file is storedeventWhen the number reaches the set value, the old file will be closed, and the new data will be

is written to a new file

Question 47

FusionInsight HDmiddle,StreamingPackaging tools are used to package business codejarpackages and other dependenciesjarpackage, etc. a completeStreamingAppliedjarBag

Options:

True

False

Question 48

FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)

Options:

ShellOrder

Java API

Hue UI

Rest API

Question 49

YARNIn the service, if you want to give the queueQueueAset capacity to30%, which parameter should be configured?

Options:

yarm.scheduler.capacity.rot.QueueA. user-limit-factor

yam.scheduler.capacity.root.QueueA. minimum-userlimit-percent

yarm.scheduler.capacity.root.QueueA. capacity yarm.scheduler.capacity.rot.QueueA

Question 50

FusionInsight HDin, aboutOozieWhich of the following descriptions is correct?

(multiple choice)

Options:

submitcommand to change the status of the job toPREP

statcommand allowsPREPThe status of the job changes toRUNNINGrun

Runcommand to change the job status toRUNNINGl

KillCommands can act onPREP/SUSPEND/RUNNINGstatus job

Question 51

aboutFusionInsight HDofSpark, which of the following programming languages can be used to developSparkapplication? (multiple choice)

Options:

Scala

Java

Python

Question 52

Sparkis a memory-based computing engine, allSparkData during program operation can only be stored in

in memory.

Options:

True

False

Question 53

HBaseofRegionWhich service process is managed?

Options:

HMaster

DataNode

HRegionServer

ZooKeeper

Question 54

Spark on YARNin modedriverOnly works on the client side.

Options:

True

False

Question 55

existHBaseIn table design, it is common to multiple businessesrowkey, what are the possible countermeasures for situations that lead to data access contradictions?

slightly? (multiple choice)

Options:

compromise method (rowkeyDesign takes into accountAandBbusiness needs)

Redundancy method (use space for time factory efficiency)

Create secondary index

pre-scoreregion

Question 56

existFusionInsight HDmiddle,SparkBy defaultYARNAs a cluster resource management system.

Options:

True

False

Question 57

aboutFusonInsight HDofSpark, which of the following programming languages can be used to developSparkapplication? (multiple choice)

Options:

Scala

Java

Python

Question 58

SparkWhat kind of parameter setting methods does the application have?

(multiple choice)

Options:

In the application configuration filespark-defaults.confconfigure in

When submitting your application, pass--confmake settings

In the application code, passSparkContextofsetPropertymethod to set

In the application code, passSparkConfobject to set

Question 59

Which of the following business applications is notHiveApplicable scenarios?

Options:

Real-time real-time online data analysis

Data mining (user behavior analysis, interest division, regional display)

Data Aggregation (Daily/Weekly user clicks, click ranking)

Non-real-time analysis (log analysis, statistical analysis)

Question 60

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIright

CollectionDo some verification. Below aboutSolr Admin UIIs the statement correct? (multiple choice)

Options:

clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesequivalence information

clickCloud, see eachCollectionunder eachShardofReplicadistribution and status

enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theRepicaSow

Quoting the actual number of documents, storage size and location information

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

Question 61

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

Options:

True

False

Question 62

forFusionInsight HDplatformHBaseComponent, which properties of the secondary index need to be defined to add a secondary index? (multiple choice)

Options:

index name

index column

index column type

The name of the column family to which the indexed column belongs

Question 63

which come downRedisIs the command an atomic operation?

Options:

INCR(increment the stored digital value by one)

HINCRBY(for the hash tablekeydomain infieldvalue plus incrementincrement)

LPUSH(for linked listspushoperate)

All of the above

Question 64

Which of the following options isYamcore functionality?

Options:

storage

Resource management

data transmission

Question 65

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:

hive.exec.compress.intermediate

hive.intermediate.compression.codec

hive.exec.compress.output

twenty three

hive.intermediate.compression.type

Question 66

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

Options:

suspend

getJoblnfo

submit

run

Question 67

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

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

Options:

True

False

Question 68

FusionInsight HD in which ways can you viewOozieDebug results of the job? (multiple choice)

Options:

CheckOozieofJava APIWhether the returned result is as expected

pass throughHueofworkflowDashboard to view program running results

pass throughHue's file browser to see ifHDFSThe specified directory produces the expected file

Oozieself-containedWebThe interface can also view the job execution results

Question 69

In useSolrWhen performing a full-text search, you canwtThe parameter specifies the response format of the query result.

aboutSolrThe response format of the query result, which of the following statements is wrong?

Options:

supportCSVandJSON

supportCSV,JSONandHTML

supportCSV,JSONandXML

Question 70

HBaseFilters can set column names or column values as filter conditions, and support the use of multiple filters at the same time.

Options:

True

False

Question 71

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

Options:

Table Name

table names and columns

Table names and column families

can be empty

Question 72

existFusionInsight HDclient, executeskinit{account}command is to getKDCwhich content?

Options:

Krb5.conf

TGT

jaas.conf

Question 73

rightHBase, which of the following properties can be set? (multiple choice)

Options:

Versions

TTL

Coprocessor

Compression

Question 74

FusionInsight HDin, aboutOoze, which of the following operations can be performed on a suspended job? (many

select)

Options:

kill

run

resume

submit

Question 75

FusionInsight HDin, aboutHiveandSparksql, which of the following descriptions are correct? (multiple choice)

Options:

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 76

A large-scale production enterprise plans to transform its internal logistics data and sales data into big data. The design department provides data storage

Analysis of the program, which of the following statements are correct?

Options:

HBaseIt can store massive data and support dynamic expansion, which can fulfill the storage requirements of logistics and sales data.

HbaseSupport colleges and universities to read immediately, and can complete real-time analysis and command of the logistics situation through reasonable design.

Logistics data is very sparse,HBaseCan handle sparse data efficiently.

HBaseIt can be built on ordinary commercial servers, and the construction cost is relatively low.

Question 77

FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use a StreamingUser with submit permissionkinitway authentication

Options:

True

False

Question 78

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

Options:

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

SolrUsers of the user group can createCollection

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

row update

onlyCollectioncreator andSolr adminRoles can be deletedCollection

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