السؤال #1

In the online log query scheme, the?processing to complete the calculation work. During the whole calculation process, the intermediate calculation results need to be For temporary storage, which of the following components are suitable for storing intermediate calculation results? (multiple choice)

A. HDfS

B. HBase

C. Kafka

D. Redis

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اجابة صحيحة: CD

السؤال #2

Which of the following options isYamcore functionality?

A. storage

B. Resource management

C. search

D. data transmission

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اجابة صحيحة: B

السؤال #3

existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.

A. True

B. False

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اجابة صحيحة: A

السؤال #4

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.

A. rue

B. alse

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اجابة صحيحة: A

السؤال #5

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

A. Partition Table

B. bucket table

C. Tilt table

D. partition+bucket table

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اجابة صحيحة: ABCD

السؤال #6

Which of the following methods can generateDStreamobject?

A. KafkaUtils

B. KafkaUtils

C. StreamingContext

D. StreamingContext

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اجابة صحيحة: ABCD

السؤال #7

FusionInsight HD in real-time processing scenarios, what computing frameworks are available?(multiple choice)

A. Spark Streaming

B. Streaming

C. MapReduce

D. HDFS

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اجابة صحيحة: AB

السؤال #8

HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return to writing.Entry failed.

A. True

B. False

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اجابة صحيحة: B

السؤال #9

existFusionInsight HDmiddle,FlumeIn a configuration file, if there are multiplesource,butsourceThe name cannot be repeated.

A. True

B. False

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اجابة صحيحة: A

السؤال #10

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?

A. Bucket table, bucket according to day

B. Partition table, partitioned by day

C. skew table, skew field select date, skew value random

D. partition+Bucket table, partitioned by time, each partition2560buckets

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اجابة صحيحة: B

السؤال #11

existSpark, assuminglinesIs anDStreamobject, which of the following statements can periodically count this number of words on a stream?

A. lines

B. lines

C. lines

D. lines

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اجابة صحيحة: C

السؤال #12

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

A. able Name

B. able names and column families(family)

C. able names and columns

D. an be empty

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اجابة صحيحة: B

السؤال #13

aboutRedisCluster topology information, is the following description correct?

A. The client caches the topology information of the cluster

B. The server caches the topology information of the cluster

C. both are

D. more than two

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اجابة صحيحة: C

السؤال #14

existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCorefinish independentlySQLSentence parsing, optimization operations such as transformation and execution.

A. True

B. False

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اجابة صحيحة: B

السؤال #15

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

A. HIVE

B. HBASE

C. HDFS

D. DB

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اجابة صحيحة: C

السؤال #16

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 ?

A. list

B. set

C. hash

D. sorted set

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اجابة صحيحة: C

السؤال #17

HDFSWhich of the following business scenarios is not applicable to?

A. Mass data storage

B. Lots of small file storage

C. large file storage

D. Streaming file storage

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اجابة صحيحة: B

السؤال #18

HBasetablerowkeyDesign is a very important development and design link.

A. Name+Phone number

B. date+Phone number

C. Phone number+date

D. Phone number+Name

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اجابة صحيحة: C

السؤال #19

Regarding Streaming's topology, what is wrong in the following description?

A. Topology can only specify to start one Worker process

B. usiness logic is encapsulated in Topology

C. Topology is a directed acyclic graph (DAG) connected by a set of Spout components and Bolt components through Stream Groupings

D. opology will keep running until it is explicitly killed

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اجابة صحيحة: A

السؤال #20

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

A. JDB, C

B. spark-beeline

C. spark-sql

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اجابة صحيحة: ABC

السؤال #21

existFusionInsight HDWhen developing applications with a secure version, you can usekeytabDocuments are authenticated securely.

A. True

B. False

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اجابة صحيحة: A

السؤال #22

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 a time difference, So the time difference should be less than a few minutes?

A. 5

B. 10

C. 20

D. 30

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اجابة صحيحة: A

السؤال #23

FusionInsight HDin, useStreamingThe command?way to submitexample.jarmiddleom huawei example.WrodCounttask, task name iswcTeat, is the following execution command correct?

A. storm jar example jar wcTest om huawei example WordCount

B. storm jar example jar wcTest WrodCount

C. storm jar example jar om huawei example WordCount wcTest

D. storm jar example jar WorkCount wcTest

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اجابة صحيحة: C

السؤال #24

HDFSRuntime,NameNodewill load all the metadata of the file system from disk into memory, so the file system canThe total number of files stored is limited byNameNodememory capacity.

A. True

B. False

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اجابة صحيحة: A

السؤال #25

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

A. kill

B. run

C. resume

D. submit

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اجابة صحيحة: AC

السؤال #26

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

A. filter (condifionExpr: String): DataFrame

B. join (right: DataFrame, join Exprs: Column): DataFrame

C. intersect (other: Data Frame): Data Frame

D. dropDuplicates (): DataFrame

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اجابة صحيحة: C

السؤال #27

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

A. Krb5

B. TGT

C. ST

D. jaas

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اجابة صحيحة: B

السؤال #28

Which of the following is notMapReducespecialty?

A. Easy to program

B. Good scalability

C. Real-time computing

D. High fault tolerance

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اجابة صحيحة: C

السؤال #29

existSpark, assuminglinesIs anDStreamobject,filterStatements can be filtered out80%data for the following twoThe correct statement is:X: lines.filter(...).groupByKey(...)Y: lines.groupByKey(...).filter(...)

A. XCompareYhigher performance

B. XCompareYlower performance

C. XandYsame as performance

D. UncertaintyXandYdifference in performance

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اجابة صحيحة: A

السؤال #30

In the FusionInsight HD system, in the Solr example project solr-example\conf\solr-example.properties, the values of ZK_URL and ZOOKEEPER_DEFAULT_SERVER_PRINCIPAL can be obtained from which of the following options?

A. btained from the FusionInsight Manager Solr service configuration interface

B. btain from the Solr Admin UI interface

C. n solr-example\conf\solr-example

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اجابة صحيحة: B

السؤال #31

existKafkamiddle,ProducerThis can be done by configuring the synchronization parameters (producer.type) to ensure that data is sent in order.

A. True

B. False

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اجابة صحيحة: A

السؤال #32

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

A. Versions

B. TTL

C. Coprocessor

D. Compression

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اجابة صحيحة: ABD

السؤال #33

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

A. name-node

B. source

C. mapred

D. job-tracker

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اجابة صحيحة: ACD

السؤال #34

existFusionInsight HDcluster, aboutkinitOperation command, which of the following statements is wrong? (multiple choice)

A. AOnly the HMI account can be used

B. BOnly the machine account can be used

C. CA client does not support the simultaneous use of multiple accounts

D. DThe ticket obtained by executing this command is intwenty fourIt will time out when it is small and needs to be executed againkinitcommand to log in again

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اجابة صحيحة: ABC

السؤال #35

SparkWhat kind of parameter setting methods does the application have? (multiple choice)

A. in the application configuration filespark-defaults

B. When submitting your application, pass--confmake settings

C. In the application code, passSparkContextofsetPropertymethod to set

D. In the application code, passSparkConfobject to set

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اجابة صحيحة: ABD

السؤال #36

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

A. JDB, Cinterface

B. ODB, Cinterface

C. Pythoninterface

D. Rubyinterface

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اجابة صحيحة: ABC

السؤال #37

existFusionInsight HDmiddle,FlumeWhich of the following are supportedsourceTypes of? (multiple choice)

A. Avro

B. HBase

C. Kafka

D. HTTP

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اجابة صحيحة: ACD

السؤال #38

existFusionInsight HDofHBase, which of the following scenarios will not triggerFlushoperate?

A. When the client initiates a scan request, it willscan cachingset too large

B. Initiate by client-specified methodFlushdo

C. RegionServerTotal memory exceeds threshold

D. RegionofMemStoreset over threshold

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اجابة صحيحة: A

السؤال #39

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

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

B. SolrUsers of the user group can createCollection

C. Collectioncreator, theCollectionroles with read and write permissions andSolr adminrole can beCollectionEnter row update

D. onlyCollectioncreator andSolr adminRoles can be deletedCollection

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اجابة صحيحة: A

السؤال #40

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

A. True

B. False

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اجابة صحيحة: A

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