Exact2Pass
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 ?
existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCorefinish independentlySQLSentence parsing, optimization
operations such as transformation and execution.
for running onMapReduceThe application on the platform that this application depends onjarWhere will the bag be placed?
FusionInsight HD in real-time processing scenarios, what computing frameworks are available? (multiple choice)
existFusionInsight HDclient, executeskinit{account}command is to getKDCwhich content?
HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return to writing.
Entry failed.
aboutStreamingdisaster recovery capability, which of the following statements is correct? (multiple choice)
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?
aboutStreamingthe topology (Topology), which of the following descriptions is wrong?
existHBaseWhile the application is running, the application can write data while creating the table.
FusionInsight HDin, belonging toStreamingWhat are the roles of the service? (multiple choice)
FusionInsight HDin the system,HiveWhat are the supported interface types? (multiple choice)
aboutRedisCluster topology information, is the following description correct?
existFusionInsight HDin the cluster,FlumeWhich service does not support writing collected data to the cluster?
existKafka, which of the following commands can view aTopicHow many partitions are there?
FusionInsight HDofHive, user-definedUDFcan andHiveBuilt-inUDFduplicate name, in this case,
will use user-definedUDF.
FusionInsight HDin, aboutHive UFDSecondary development, is the following description correct? (multiple choice)
FusionInsight HDsystem, aboutHiveofJDB, CInterface type, which of the following descriptions is correct?
FusionInsight HDmiddle,StreamingWhich of the following scenarios is applicable? (multiple choice)
When a task is submitted toYARNIn the cluster, which of the following options will generate for this taskTindivual JOPO
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?
existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.
FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)
FusionInsight HDmiddle,StreamingWhat are the characteristics of? (multiple choice)
aboutRedisCluster topology information, is the following description correct?
When the cluster is normal,RedisClient initiates oncegetCall, the client has () times of message interaction with the server?
existMapReduceIn application development of , which of the followingJAVA, Class responsible for managing and running a computational task?
existHBaseWhile the application is running, the application can write data while creating the table.
existFlumeDuring the cascade transfer process, you can usefailovermode transmission, so that if startled
ofFlumeWhen the node fails or the data is received abnormally, it can automatically switch to another path to continue transmission
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)
existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?
FusionInsight HD in real-time processing scenarios, what computing frameworks are available? (multiple choice)
writingMapReduceWhich two interfaces are usually required to be implemented by developers?
existFusionInsight HDmiddle,SparkBy defaultYARNAs a cluster resource management system.
FusionInsight HD assuming a topology that setsspoutConcurrency is3,bot1Concurrency is 2,bot2Concurrency is3,workerThe number is2,Sobol1ofexecutorexistworkerHow is it distributed?
RDDasSparkmost__________The core object has which of the following characteristics? (multiple choice)
aboutKafkaofPeoducer, is the following statement correct? (multiple choice)
aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not
the correct one is?
HDFSclient withNWhen a copy writes a file, which of the following is true about the writing process?
(multiple choice)
Which of the following business applications is notHiveApplicable scenarios?
In ThereNnodesFusionInsightHDDeploy in a clusterHBase, it is recommended to deploy()HMaster process, ( )RegionServerprocess?
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?
for running onMapReduceThe application on the platform that this application depends onjarpackage will be put where?
aboutFlumeThe characteristics of the collected data, which of the following descriptions are correct?
FusionInsight HDsystem, aboutHiveofJDB, CInterface type, which of the following descriptions is correct?
Hbase one of Region conduct Split When operating, place aHFileThe file is really separated into two RegionAt what stage does the process take place?
FusionInsight HDin useStreamingofA, CKWhich of the following statements is true
of? (multiple choice)
Hadoopin the systemYARNWhat resource types are supported for management?
(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 the platform,HBaseSecondary indexes are not currently supported.
For multiple business sharingrowkey, What are the countermeasures for situations that lead to conflicting data access?
(multiple choice)
FusionInsight HD which components are provided externallySQLor classSQLability? (multiple choice)
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)
existSparkin, becauseDataFramethanRDDThe higher-level interface will have more calling levels. because
Therefore, all based onDataFrameThe performance of the developed program will be higher than that based onRDDThe developed program has poor performance.
fusioninsight, an application to chargeKerberosSecurity certification, which of the following options are
must be used? (multiple choice)
FusionInsight HDofStreamingforZooKeeperweak dependency, even ifZooKeeperFault
StreamingServices can also be provided as normal.
FusionInsight HDin, aboutOoziejob management for suspended jobs
Which of the following operations? (multiple choice)
Which of the following application scenarios mainly generate unstructured data?
(multiple choice)
FusionInsiat 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 HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use an ownStreamingUser with submit permissionkinitway authentication
existMapReduceIn the development framework,InputFormatWhat is the function of the class?
aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not the correct one is?
existSparkIn application development, which of the following codes can correctly count words?
deployFusionInsight HD within the same clusterFlume ServerHow many nodes are recommended to deploy at least?
existHBaseIn 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?
//Create a pre-partitionregionthe tablebyte【】I splits = new byte【4];splits【0】=Bytes.toBytes
("A");splits【1】=Bytes.toBytes("H");splits【2】=Bytes.toBytes("O");splits
【3】=Bytes.toBytes("U");admin.createTable(htd,splits);