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Huawei HCIP-Big Data Developer V2.0 Sample Questions:

1. RDDasSparkThe core object, which has the following characteristics? (multiple choice)

A) efficient
B) read only
C) fault tolerance
D) partition

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

A) IbClient.setRequestWriter(new BinaryRequestWriter())
B) 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();
C) if(updateRequest.getDocuments( ).size( )>= 1000){
cloudSolrClient.request(updateRequest,collName);updateRequest.clear();}
D) if(updateRequest.getDocumentsMap(O.size( )>= 10000)cloudSolClient.request (updateRequest,collName);updateRequest.clear();}

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

A) table names and columns
B) Table names and column families(family)
C) Table Name
D) can be empty

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

A) As a message producer, you can directly write data toZooKeeper Producerconnect any normalBrokerInstances can produce data
B) Producercan either send data toBroker, and can send data toConsumersuperiorProducer
C) ProducerResponsible for production data,Consumerresponsible for consuming data,ProducerandConsumerneed between
D) EstablishSocketconnect

5. YARNIn the service, if you want to give the queueQueueAset capacity to30%, which parameter should be configured?

A) yam.scheduler.capacity.root.QueueA. minimum-userlimit-percent
B) yarm.scheduler.capacity.rot.QueueA. user-limit-factor
C) yarm.scheduler.capacity.root.QueueA. capacity yarm.scheduler.capacity.rot.QueueA

Solutions: