Huawei HCIP-Big Data Developer V2.0 - H13-723

QUESTION NO: 1
Oozieofworkflow.xmlfile is the workflow configuration file

A. True B. False

Correct Answer: A

QUESTION NO: 2
Fusioninsight HDsystematicv100R002C60version,HiveOnly supports based onMapReduceengine query service, does not support based onSparkEngine query service

A. True B. False

Correct Answer: B

QUESTION NO: 3
existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIright CollectionDo some verification. Below aboutSolr Admin UIIs the statement correct? (multiple choice)

A. clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesequivalence information B. Quoting the actual number of documents, storage size and location information C. clickCloud, see eachCollectionunder eachShardofReplicadistribution and status enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theRepicaSow D. Solruser group,Solr adminrole andSuper groupof users have access toSolr Admin UI

Correct Answer: A,B,D

QUESTION NO: 4
existSparkmiddle,SparksQLis an independent module that does not depend onSparkCorefinish independentlySQL Actions such as the corner line of the statement.

A. True B. False

Correct Answer: B

QUESTION NO: 5
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. HBase B. Redis C. HDfS D. Kafka

Correct Answer: B,D

QUESTION NO: 6
existSpark, assuminglinesIs anDStreamObject, which of the following statements can periodically count the number of words on this stream?

A. lines.flatMap(_.split??)).map(word=>(word,word.length())).reduceByKey(_+_).print ( ) B. lines.flatMap(_.split??)).flatmap(word=>(word,1)).groupByKey(_+_).print ( ) C. lines.flatMap(_.split??)).map(word=>(word,1)).reduceByKey(_+_).print ( ) D. lines.flatMap(_.split??)).map(word=>(word,1)).reduce(_+_).print ( )

Correct Answer: C

QUESTION NO: 7
Which of the following descriptions about massive small file storage is correct ( )?
(multiple choice)

A. The above statement is not correct. B. HBaseStore a large number of small files,Compactionwill bringIOWaste of resources. C. HDFSStoring a large number of small files will giveNameNodebring great pressure. D. HuaweiHFSIt is suitable for storing a large number of small files, and files can be selectively stored inHDFSorMOBmiddle.

Correct Answer: B,C,D

QUESTION NO: 8
SparkandHadoopNeither is suitable for iterative calculation scenarios.

A. True B. False

Correct Answer: B

QUESTION NO: 9
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.

A. True B. False

Correct Answer: A

QUESTION NO: 10
HDFSIn application development of , which of the following areHDFSInterfaces supported by the service?
(multiple choice)

A. FileSystem.create B. BufferedOutputStream.write C. BufferedOutputStream.flush D. FileSystem.append

Correct Answer: A,B,C,D

QUESTION NO: 11
existFusionInsight HDin the cluster,FlumeWhich service does not support writing collected data to the cluster?

A. HBase B. HDFS C. Redis D. Kafka

Correct Answer: C

QUESTION NO: 12
FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)

A. hive.exec-ducers.max B. hive.exec.max.dynamic.partitions.pernode C. hive.exec.max.dynamic.partitions D. hive.exec.reducers.bytes.per.reducer

Correct Answer: A,D

Huawei HCIP-Big Data Developer V2.0 - H13-723_V2.0 Exam Questions