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aboutKafkaInsufficient disk capacity alarm, which of the following analysis is incorrect for the possible reasons?
existSpark, which of the following is trueDataFrameThe operator that takes the intersection?
FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)
existMapReduceIn application development of , which of the followingJAVAThe class is responsible for managing and running a
Counting tasks?
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)
existKafka, as follows aboutProducerWhat is wrong with the statement of sending data? (multiple choice)
aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not the correct one is?
FusionInsight HDin, aboutHive UDFsSecondary development, is the following description correct? (multiple choice)
FusionInsightHDin, aboutHivepartition (partation) function, which is wrong as described below?
existSpark, assuminglinesIs anDStreamobject,filterStatements can be filtered out80%the number of
According to the following two sentences, the law is correct:X:lines.filter( ).groupByKey(.)Y:
lines.groupByKey( ).filter( )
When the cluster is normal,RedisClient initiates oncegetCall, the client has () times of message interaction with the server?
aboutstreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)
Fusioninsight HDmedium, applicablestreamingSubmit by command lineexample.jarmiddle
om.huawei.example.wordcounttask, task name iswcTest, is the following execution command correct?
FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)
existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.
existFusionInsight HDclient, executeskinit{account number}command is to getKDCwhich of the item content?
HDFSIn application development of , which of the following areHDFSInterfaces supported by the service? (multiple choice)
existStreamingin application development,BoltUse which of the following interfaces to sendTuple?
FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)
aboutFusionInsight HDofSpark, which of the following programming languages can be used to developSparkapplication? (multiple choice)
existFusionInsight HDin, useSparkSQL, which of the following methods (or tools) can be used to performSQLstatement?
(multiple choice)
FusionInsight HDsystematicV100R002C60version,HiveOnly supports based onMapReduceEngine query service, not supported based onSparkEngine query service.
existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?
FusionInsight HDin, aboutHiveandSparksql, which of the following descriptions are correct? (multiple choice)
aboutSolrThe response format of the query result, which of the following statements is wrong?
FusionInsight HDin useStreamingofA, CKWhich of the following statements is true? (multiple choice)
FusionInsight HD assuming a topology that setsspoutConcurrency is3,bolt1Concurrency
for2,bok2Well degree is3.workerThe number is2,Sobolt1ofexecutorexistworkerhow to divide Cloth?
existMapReduceIn application development of , which of the followingJAVAThe class is responsible for managing and running a Counting tasks?
existFusionInsight HDcluster, aboutkinitOperation command, which of the following statements is wrong? (many select)
Which of the following application scenarios mainly generate unstructured data?
(multiple choice)
existStreamingin application development,BoltUse which of the following interfaces to sendTuple?
HBaseFilters can set column names or column values as filter conditions, and support the use of multiple filters at the same time.
pass throughHBaseofcreateTableThe method creates a table, what parameters must be passed in?
existMapReduceIn the development framework,InputFormatWhat is the function of the class?
FusionInsight HDin, aboutOoziejob management for suspended jobs
Which of the following operations? (multiple choice)
FusionInsightHDin the system,HiveWhat are the supported interface types? (multiple choice)
existFusionInsight HDThe key to the product38-by5Taste+Taste4Tian QiyaSWhen the armor is developed, you can pass the
passSolr Admin UIxrightCollectionDo some verification. Below (multiple choice)
A project needs to count the Internet access in a certain area and the serious crime in the area. Please make it clear that Nanyao teaches Huajin that it needs to be preserved, and fully check this
Are there sensitive information in these Internet records for pre-optimal solutions?
fusioninsight, an application to chargeKerberosSecurity certification, which of the following options are
must be used? (multiple choice)
existBaseIn application development, when a table'sRowkeyRange and distribution are known, pre-score is recommendedregion,
Please call the following code (fragment) to pre-sort a tableregionAfter this table will create severalregion?
splits【0】=Bytes.toBytes("A");splits【1】=Bytes.toBytes("H");splits【2】
=Bytes.toBytes("O");splits【3】=Bytes.toBytes("U");admin.createTable(htd,splits);
Which of the following measures can improveHBasequery performance? (multiple choice)
when aMapRcdueWhen the application is executed, which of the following actions ismapoccurs before the stage of?
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?
forHBase rowkeyThe design principles described below are correct? (multiple choice)
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?
Fusionlnsiht HDmiddle,Oozieclient'sJava APIwill be called when the task is runOozieClientWhich method of the class?
Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M Big. How much storage space is there?
Fusionmnsight HDproductSoDuring application development, you canSolr Admin UIxrightCollection
One-shot verification is performed. Draw aboutSolr AdminUIIs the statement correct? (multiple choice)
existFusionInsight HDmiddle,SparkBy defaultYARNAs a cluster resource management system.
SparkThe calculation logic of the application will be parsed orDNG, this parsing operation is completed by which of the following function modules?
FlumewriteHDFSWhen the file is generated, what are the ways of generating the file? (multiple choice)
Suppose there is an application that needs to be accessed frequentlyOracleThe user table in the database, in order to improve performance, introduce
Redisto cache user information. For this scene,RedisWhich of the following is the best data structure choice for ?
existSpark, which of the following is trueDataFrameThe operator that takes the intersection?
SparkThe calculation logic of the application will be parsed orDNG, this parsing operation is completed by which of the following function modules?
existStreamingin application development,BoltUse which of the following interfaces to sendTuple?
Suppose there is an application that needs to be accessed frequentlyOracleThe user table in the database, in order to improve performance, introduceRedisto cache users
information.
For this scene,RedisWhich of the following is the best data structure choice for ?
There are the following scenarios: new data is generated by the online system every day500G, you need to make statistics on these data by day, week, month and other dimensions summary.
ask if it is suitable for useHiveWhat kind of table to handle?
in aMapReduceapplication,mapThe output of the function is viaMapReduce? ?After processing, send toreduceletter
number. This process belongs to? ?Sort and group pairs.
writingMapReduceWhich two interfaces are usually required to be implemented by developers?
forN(N>1) copies of stored documents,HDFSThe client initiates a read file request. If the read replica node fails, the
If the connection fails, it will not go to other replica nodes for reading.
Fusionlnsigt HD which of the following components can be used for data collection? (multiple choice)
HDFSRuntime,NameNodewill load all the metadata of the file system from disk into memory, so the file system can
The total number of files stored is limited byNameNodememory capacity.
pass throughHBaseofcreateTableThe method creates a table, what parameters must be passed in?
FusionInsight HDofHive, user-definedUDFcan andHiveBuilt-inUDFduplicate name, in this case,
will use user-definedUDF.
existMapReduceIn the development framework,InputFormatWhat is the function of the class?
Which of the following causesHDFSofNameNodeEntersafemode(safe read-only mode)? (multiple choice)
TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBaseDynamic expansion is not supported.
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)
existFusionInsight HDofHBase, which of the following scenarios will not triggerFlushoperate?
aboutStreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)
A project requires Internet access to a certain area? ?Save it, and search the full text of these Internet records to see if there is any? ?information, with
to prevent crime in the region.
In this scenario, which of the following options is the best?
existHBaseWhich of the following interfaces or classes does not need to be involved in the implementation of business logic for writing data?
FusionInsight HDin, yesSolrThe creation of various resources and the use of read and write permissions, which of the following statements is wrong?
FusionInsight HDsystematicV100R002C60version,HiveOnly supports based onMapReduceEngine query service,
not supported based onSparkEngine query service.
Fusionlnsiht HDmiddle,Oozieclient'sJava APIwill be called when the task is runOozieClientWhich method of the class?
HDFSclient withNWhen a copy writes a file, which of the following is true about the writing process? (multiple choice)
existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.
existMapReduceIn application development of , which of the followingJAVA, Class responsible for managing and running a computational task?
forSpark Streamingapplication, in aJVM, there can only be one at a timeStreamingContextactive condition.
about the followingHDFSWhat is the correct process for the client to read the file? (multiple choice)
existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectionDo some verification.
Below aboutSolr Admin UIIs the statement correct? (multiple choice)
FusionInsight HDofHiveIn the application, there are the following scenarios:? ? ?Storage files have higher? ?efficiency, and most
Minute? ?Only a part of the letter is involved in the file, this scenario is suitable for using a column file (ORC F??)storage.
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?
existSpark, which of the following is trueDataFrameThe operator that takes the intersection?
forFusionInsight HDplatformHBaseComponent, which properties of the secondary index need to be defined to add a secondary index? (multiple choice)
existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCorefinish independentlySQLSentence parsing, optimization
operations such as transformation and execution.
existFusionInsight HDin the cluster,FlumeWhich service does not support writing collected data to the cluster?
aboutStreamingthe topology (Topology), which of the following descriptions is wrong?
HadoonIn the system: ifHDFSThe backup factor of the file system is3,SoMapReduceevery time
In progresstaskall from3The segment of the file that needs to be processed is transmitted on a machine with a replica.
FusionInsigt HD which of the following components can be used for data collection? (multiple choice)
existSparkIn application development, which of the following codes can correctly count words?
pass throughHBasefofcreateTableThe method creates a table, what parameters must be passed in?
Regarding the Redis cluster topology information, which of the following descriptions is correct?
HDFSRuntime,(NameNodeAt startup,)NameNodewill file system metadata from
The disk is all loaded into memory, so the total number of files that the file system can store is limited byNameNodeof memory
capacity.
existHBaseWhich of the following interfaces or classes does not need to be involved in the implementation of business logic for writing data?
Which of the following components must depend onZooKeeperto run()?
(multiple choice)
HDFSclient withNWhen a copy writes a file, which of the following is true about the writing process? (multiple choice)
FusionInsight HDin the system,FumeWhich component does the data flow not need to go through within the node?
about the followingHBaseofBloomFilterCharacter understanding, which statement is incorrect?
aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not
the correct one is?
aboutHiveandHadoopThe relationship of other components, the following description is wrong?
In ThereNnodesFusionInsightHDDeploy in a clusterHBase, it is recommended to deploy()HMaster process, ( )RegionServerprocess?
existFusionInsight HDUnder the client, to runMapReducegenerated by the applicationjarBag. Which command can be executed?
FusionInsight HDproduct, aboutKafkaThe component statement is correct?
(multiple choice)
HuaweiFusionInsight HDin the cluster,SparkFrom which of the following services can a service read data? (multiple choice)
FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)
coordinator.xmlis the configuration file responsible for scheduling the workflow
Fusionlnsigt HDofHiveWhat distributed computing frameworks can components run on? (multiple choice)
existKafka, as follows aboutProducerWhat is wrong with the statement of sending data?
(multiple choice)
useHBaseClient batch write10piece of data, aHRegionServercontains the table on the node
of2indivualRegion, respectivelyAandB,10in the data2Article belongs toA,4Article belongs toB, please write this
10pieces of data need to be sent to theHRegionServersend several timesRPCask?
FusionInsight HD assuming a topology that setsspoutConcurrency is3,bot1Concurrency is 2,bot2Concurrency is3,workerThe number is2,Sobol1ofexecutorexistworkerHow is it distributed?
due toSparkis a memory-based computing engine, therefore, aSparsThe amount of data that the application can handle cannot exceed the amount allocated for this
indivualSparkThe total memory of the application.
Fusionlnsigt HD the user wants to passHBase shelloperation to query aHBaseThe contents of the table, this scenario is pushed down
It is recommended that the administrator assign a machine account to this user.
FusionInsight HDmiddle,StreamingPackaging tools are used tojarpackages and other dependencies jarpackage, etc., typed into a completeStreamingAppliedjarBag
FusionInsightHDin, aboutHivepartition (partition) function, which is wrong as described below?
for running onMapReduceThe application on the platform that this application depends onjarpackage will be put where?
Fusionlnsigt HD one deployed inTomcatapplication on theHBaseservice, it is recommended to use in this scenario machine account.
forHBase rowkeyThe design principles described below are correct? (multiple choice)
RDDasSparkmost__________The core object has which of the following characteristics? (multiple choice)
Hadoopenabled in the platformYARNWhich parameter needs to be configured for the log aggregation function of the component?
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)
FusionInsigt HDWhat distributed computing frameworks do big data platforms provide?
(multiple choice)
HDFSThe system time of the node where the client is located is the same as theFusionInsight HDThe system time of the cluster should be maintained
Consistent, if there is a time difference, then the time difference should be less than a few minutes?
TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBase
Dynamic expansion is not supported.
due toSparkis a memory-based computing engine, therefore, aSparkThe amount of data the app can handle Can't give more than thisSparkThe total memory of the application.
forHBase rowkeyThe design principles described below are correct?
(multiple choice)
When the cluster is normal,RedisClient initiates oncegetCall, the client and the server have () secondary message interaction?
aboutKafkaThe characteristics of the following description are correct? (multiple choice)
useFusionInsight HDofHiveQuery data, when the intermediate result of the query has a large amount of data, You can choose to compress the intermediate result data for better performance. Which of the following areHiveCorrelation of intermediate result compression parameter? (multiple choice)
FusionInsight HDin, aboutHive(MR,SPARK,TEZ)andSparksql(Sparkcore), which of the following
Is the description correct?
(multiple choice)
TESTED 03 Dec 2024