Free HCIP-Big Data Developer V2.0 Exam H13-723_V2.0 Exam Practice Test

existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?

• AssumeSmapinput compression method
• set upmapHow the output is delivered
• set upmapoutput compression method
• set upreduceoutput compression method

which come downRedisIs the command an atomic operation?

• INCR(aThe stored digital value is incremented by one)(DECR)
• HOY(eesurfacekeydomain infieldvalue plus incrementincrement)
• UURH(MRnpuhoperate)
• All of the above

Solris a high-performance, basedLucenefull-text search service.SolrrightLuceneexpanded,provides a ratioLuceneA richer query language and a powerful full-text search function are implemented, with a high degree of reliability.Extensibility. At the same time fromSolr 4.0Version starts, supportsSolrCloudmodel.

• True
• False

existSolrWhen indexing, which of the following code snippets can significantly improve indexing performance? (multiple choice)

• IbClient.setRequestWriter(new BinaryRequestWriter())
• if(updateRequest.getDocumentsMap(O.size( )>= 10000)cloudSolClient.request (updateRequest,collName);updateRequest.clear();}
• if(updateRequest.getDocuments( ).size( )>= 1000){ cloudSolrClient.request(updateRequest,collName);updateRequest.clear();}
• SolrInputDocument doc = new SolrInputDocument();doc.addField("id",i.toString ());doc.addField("name", "Zhang San"+ i);doc.addField("features","test"+ i);doc.addField ("price", (float)i*1.01);cloudSolrClient.add(doc);cloudSolrClient.commit();

solris a high-performance, basedLucenefull-text search service.SolrxrightLuceneto expand, Loss of fruit supportSolrCloudmodel.

• True
• False

A project needs to save the Internet access data in a certain area, and search the full text of these Internet access records to see if there is any sensitive data.Sensitive information is used to prevent crimes in this area. In this scenario, which of the following options is the best?

• Create an index on solr, save the data, and return all the data during full-text search
• Store data on HBase, and satisfy fuzzy matching queries through HBase's filtering feature
• When storing data, build an index on solr, and store complete data in HBase: query full text through solr
• Retrieve the key information of the record, and obtain the complete record on HBase through the key information

existKafka, as follows aboutProducerWhat is wrong with the statement of sending data? (multiple choice)

• ProducerResponsible for production data,Consumerresponsible for consuming data,ProducerandConsumerneed to be established betweenSocketconnect
• Producercan either send data toBroker, and can send data toConsumersuperior
• ProducerAs a message producer, you can directly write data toZooKeeper
• Producerconnect any normalBrokerInstances can produce data

FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use aStreamingUser with submit permissionkinitway authentication

• True
• False