existSpark, assuminglinesIs anDStreamObject, which of the following statements can periodically count the number of words on this stream?
existFusionInsight HDin, aboutHivepartition (partition) function, which is wrong as described below?
SparkWhat kind of parameter setting methods does the application have? (multiple choice)
FusionInsight HDofHive, user-definedUDFcan andHiveBuilt-inUDFduplicate name, in this case,
will use user-definedUDF.
HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodenode
information?
existFusionInsight HDofHBase, which of the following scenarios will not triggerFlushoperate?
FusionInsight HDin, aboutOoze, which of the following operations can be performed on a suspended job? (many
select)
existKafkamiddle,ProducerThis can be done by configuring the synchronization parameters (producer.type) to ensure that data is sent in order.
SparkThe calculation logic of the application will be parsed orDNG, this parsing operation is completed by which of the following function modules?
FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)
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.
Spark StreamingAs a micro-batch stream processing engine, it converts the data of each time slice into aRDDone of partitions are calculated.
when aMapReduceWhen the application is executed, which of the following actions ismapoccurred before the stage?
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?
Spark StreamingAs a micro-batch stream processing engine, it converts the data of each time slice into aRDDmiddle
A partition is calculated.
Fusionlnsigt HD an application to completeKerberosSecurity authentication, which of the following options must be used?
(multiple choice)
forHBase rowkeyThe design principles described below are correct? (multiple choice)
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 HD an application to completeKerberosSecurity certification, which of the following options are required
Required (multiple choice)
SparkWhat kind of parameter setting methods does the application have? (multiple choice)
existSpark, which of the following statements about broadcast variables is correct?
HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodeFestival
point information?
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)
existStreamingin application development,BoltUse which of the following interfaces to sendTuple?
aboutFusonInsight HDofSpark, which of the following programming languages can be used to developSparkapplication? (multiple choice)
Hadoopin the systemYARNassigned toContainerThe memory size, which can be passed through the parameter
yarn.app.mapreduce.am.resource.mb(yarn.nodemanager.resource.memory-mb) to set.
( )
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.
FusionInsight ManagerRegarding the management operations of services, which of the following statements is wrong?
Fusionlnsigt HD one deployed inTomcatapplication on theHBaseservice, it is recommended to use in this scenario machine account.
The user wants to develop an application to accessHBaseservice, first apply for a machine accounttester1, and give it sets accessHBaseservice permissions; then download the account'skeytabfile, and use that account to run the application
use. Subsequent applications of this application will increase business requirements and require access toHiveservice, then givingtester1User additionally granted access
askHiveAfter the component permissions, you need to re-download the user'skeytabdocument.
existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCorefinish independentlySQL
Statement parsing, optimization, and execution.
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.
FusionInsightHDin, aboutHivepartition (partition) function, which is wrong as described below?
FusionInsightHD which components are provided externallySQLor classSQLability?
(multiple choice)
existSparkIn application development, which of the following codes can correctly count words?
FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)
FusionInsight HDofHiveIn the application, there are the following scenarios: ? ? ? Is there a higher storage file? ? 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.
when aMapReduceWhen the application is executed, which of the following actions ismapoccurred before the stage?
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?
existFusionInsight HDclient, executeskinit{account}command is to getKDCwhich content?
Fusioninsight HDofhiveIn the application, there are the following scenarios: high compression efficiency for data storage files
rate, and most queries involve only a subset of fields in the file. This scenario is suitable for using columnar files (ORC File)
storage
HDFSRuntime,NameNodewill load the entire metadata of the file system from disk into memory, so the file system
The total number of files that can be stored is limited byNameNodememory capacity.
FusionInsight HDmiddle,StreamingPackaging tools are used tojarpackages and other dependencies jarpackage, etc., typed into a completeStreamingAppliedjarBag
existSparkIn application development, which of the following codes can correctly count words?
HDFS"Write once, read many"__________File access model. Therefore, it is recommended that a document
RDDasSparkmost__________The core object has which of the following characteristics? (multiple choice)
when aMapReduceWhen the application is executed, which of the following actions ismapoccurs before the stage of?
HDFSThere is a file in the cluster root directorytest, which of the following commands can find the file stored in ofDataNodeNode information?
fusioninsight, an application to chargeKerberosSecurity certification, which of the following options are
must be used? (multiple choice)
FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)
FusionInsight HDWhich components in the platform support table and column encryption?
(multiple choice)
Tonganeng's societyHDofe, user-definedUDFcan andHmachine built-inUDFclass name,
In this case, the user-definedUDF.
There are the following business scenarios: User online log files have been stored inHDFSabove, the log file content format the formula is: each online record has three fields, namely name, gender, and online time, and the fields are separated by ",";
It is required to print out all female netizens who spend more than two hours online. Which of the following code snippets can achieve
The above business scenario? (multiple choice)
Which of the following is notHBaseThe roles or services involved in the read data process? (Writing isHMaster)
scountryonnsgtHDWhen developing applications with a secure version, you can usekeytabfile forKerberosinstall
Fully certified.
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?
FusionInsight HD which components are provided externallySQLor classSQLability? (multiple choice)
TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBase
Dynamic expansion is not supported.
FusionInsight HDin, belonging toStreamingWhat are the methods of data distribution?
(multiple choice)
solris a high-performance, basedLucenefull-text search service.SolrxrightLuceneto expand,
Loss of fruit supportSolrCloudmodel.
existFusionInsight HDclient, executeskinit{account number}command is to getKDCwhich of the item content?
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.