[2022年03月]更新のH13-723_V2.0試験問題集合格させるのは2022年最新のHCIP-Big Data Developer V2.0
無料で使えるH13-723_V2.0試験問題集で合格させるお手軽に試験合格
質問 209
existFusionInsight HD where can I viewMapReduceThe result of running the application?
- A. Loader Webinterface
- B. Solr webinterface
- C. FusionInsight Managerofwebinterface
- D. Yarn Webinterface
正解: D
質問 210
Spark streamingAs a micro-batch stream processing engine, it converts the data of each time slice for oneRDDa partition in the
- A. False
- B. True
正解: B
質問 211
FusionInsight HDWhich of the following belong toOozieofMapReduce Actionconfiguration item? (multiple choice)
- A. name-node
- B. job-tracker
- C. mapred.mapper.class
- D. source (HDFSofAction)
正解: A,B,C
質問 212
Which of the following causesHDFSofNameNodeEntersafemode(install"aroot form)? (multiple choice)
- A. Lost copies exceed read value.
- B. The corrupted copy exceeds the threshold.
- C. Active and standbyNameNodeThe disk space where the metadata is located is insufficient.
- D. The number of missing blocks exceeds the read value.
正解: A,B,C
質問 213
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.
- A. False
- B. True
正解: A
質問 214
HDFSclient withNcopy toHDFSWhen writing a file, if one of the copies fails to write, all If there is a copy, it will return a failure.
- A. False
- B. True
正解: A
質問 215
existSparkIn application development, which of the following codes can correctly count words?
- A. val counts = textFile.flatMap(line => line.split(")).map(word =>(word,
1)).reduceByKey(+) - B. vrval counts = textFile.flatMap(line => line.split("")).map(word =>(word,
1)).groupByKey( ) - C. vrval counts = textFie.map(line => line.split(")).map(word =>(word,
1)).groupByKey( ) - D. rval counts = textFile.map(line => line.split("")).map(word =>(word,
1)).reduceByKey(+)
正解: D
質問 216
Spark Streamingavailable fromKafkaReceive data and perform calculations, and the calculation results can only be stored inHDFS, can't write backKafka.
- A. False
- B. True
正解: A
質問 217
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.
( )
- A. False
- B. True
正解: A
質問 218
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?
- A. supportCSVandJSON
- B. supportCSV,JSONandXML
- C. supportCSV,JSONandHTML
正解: C
質問 219
FusionInsight HD a completeStreaming CQLThe application contains at least which of the following part?
(multiple choice)
- A. Business action statements (such asSELECT,INSERT,JIONWait)
- B. Create an input stream
- C. Apply commit statement
- D. Create output stream
正解: A,B,C,D
質問 220
fusioninsight, an application to chargeKerberosSecurity certification, which of the following options are must be used? (multiple choice)
- A. jaas.confconfiguration file
- B. existFusionInsight ManagerUser account applied on
- C. user accountkeytabdocument
- D. krb5.confconfiguration file
正解: B,C,D
質問 221
FusionInsight HD assuming a topology that setsspoutConcurrency is3,bolt1Concurrency for2,bok2Well degree is3.workerThe number is2,Sobolt1ofexecutorexistworkerhow to divide Cloth?
- A. no fixed rules
- B. twoworkerone for each
- C. twoworkerBoth are distributed
- D. twoworkerone of theworkerdistribute two
正解: D
質問 222
coordinator.xmlis the configuration file responsible for scheduling the workflow
- A. False
- B. True
正解: B
質問 223
FusionInsight HDmiddle,OozieBefore submitting the job, you need to upload the configuration files andjarpackage toHDFS
- A. False
- B. True
正解: B
質問 224
existSparkmiddle,SparksQLis an independent module that does not depend onSparkCorefinish independentlySQL Actions such as the corner line of the statement.
- A. False
- B. True
正解: A
質問 225
Which of the following causesHDFSofNameNodeEntersafemode(safe read-only mode)? (multiple choice)
- A. The corrupted replica exceeds the threshold.
- B. The number of missing blocks exceeds the threshold.
- C. Lost replicas exceed the threshold.
- D. Active and standbyNameNodeThe disk space where the metadata is located is insufficient.
正解: B,D
質問 226
FusionInsight HDofHive, user-definedUDFcan andHiveBuilt-inUDFduplicate name, in this case, will use user-definedUDF.
- A. False
- B. True
正解: A
質問 227
FusionInsight HDin, aboutHive(MR,SPARK,TEZ)andSparksql(Sparkcore), which of the following Is the description correct?
(multiple choice)
- A. Both are available via table fields andHBaseAccess by field mappingHBasedata on
- B. Both can run onMapReduceon the computational framework
- C. Both are available externallySQLor classSQLability
- D. Both can run onSparkon the computational framework
正解: A,C,D
質問 228
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)
- A. in the cluster2created onAThe account with the same name in the options, and set this account to be able to access the cluster'sHiveServe
- B. Aoptions andBThe account created by the option must belong tosupergroupGroup
- C. in the cluster1Create the account required for this application on theHBaseServe
- D. cluster1and cluster2Complete the mutual trust operation
正解: A,C,D
質問 229
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. Partition table, partitioned by day
- B. Bucket table, bucket according to day
- C. partition+Bucket table, partitioned by time, each partition2560buckets
- D. skew table, skew field select date, skew value random
正解: A
解説:
Explanation
HCNP-Big Data-DeveloperCertification questions
質問 230
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