H13-723-ENU

In the implementation of the business logic of HBase writing data, which of the following interfaces or classes does not need to be involved?A . PutB . HTableC . HBaseAdminD . PutListView AnswerAnswer: C

In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?A . HDFSB . HBaseC . KafkaD . RedisView AnswerAnswer: D

In the FusionInsight HD product, what is the role name of the Kafka service?A . ProducerB . BrokerC . ConsumerD . ZooKeeperView AnswerAnswer: B

In the Hive application of FusionInsight HD, there are scenarios where the data storage file has a high compression efficiency, and most queries only involve a part of the file field. This scenario is suitable for ORC File storage.A . TrueB . FalseView AnswerAnswer: A

When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)A . lbClient.setRequestWriter (new BinaryRequestWriter());B . if (updateRequest.getDocumentsMap().size() >= 10000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }C . if (updateRequest.getDocuments().size() >= 1000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }D . SolrlnputDocument doc = new SolrlnputDocument(); doc.addField...

In FusionInsight HD's Hive, the user-defined UDF can have the same name as the Hive built-in UDF. In this case, the user-defined UDF will be used.A . TrueB . FalseView AnswerAnswer: B

In Spark, which of the following is the operator that takes the intersection of the DataFrame?A . filter (condifionExpr: String): DataFrameB . join (right: DataFrame, join Exprs: Column): DataFrameC . intersect (other: Data Fra me): Data Fra meD . dropDuplicates():DataFrameView AnswerAnswer: C

In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?A . Iines.flatMap(_.split ” “” )).map(word => (word, 1)).reduce(_ +_).print()B . Iines.flatMap(_.split ” “” )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()C . Iines.fIatMap(_.spIit ” “” )).map(word => (word, 1)).reduceByKey(_...

As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)A . Read onlyB . PartitionC . Fault toleranceD . EfficientView AnswerAnswer: ABCD

In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?A . suspendB . getJobInfoC . submitD . runView AnswerAnswer: D