Huawei HCIP-Big Data Developer V2.0 認定 H13-723_V2.0 試験問題:

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

A) cloudSolrClient.request(updateRequest,collName);updateRequest.clear(); S8tW9H2xgntdc=new SolrInputDocument); doc.addField("id",i.tostring( )doc.addField("name", "Zhang San4i); doc.addField("features","test"+i):
doc.addreldc"price, (float)*1.01);
cloudSolrClient.add(doc);
cloudSolrClient.commit();
B) mouthif(updateRequest.getDocuments).size(O>=1000){
C) mouthif(updateRequest.getDocumentsMapO.size)>=10000){
cloudSolrClient.request(updateRequest,collName);updateRequest.clear);
D) mouthIbClient.setRequestWriter(new BinaryRequestWriterO);

2. FusionInsight HDin, aboutHivethe data load function (viaHiveofLOADcommand to import data), the following description What is wrong?

A) available fromHiveServerThe local hard disk of the node is directly loaded into thehivesurface
B) HiveThe data loading process will not parse the specific file content, mainly the process of file transfer
C) available fromHDFSdirectly into thehivesurface
D) It can be directly loaded from the local hard disk of the node where the client is located.hivesurface

3. For multiple business sharingrowkey, What are the countermeasures for situations that lead to conflicting data access?
(multiple choice)

A) Mouth compromise (rowkeyDesign takes into accountAandBbusiness needs)
B) Port redundancy method (exchange space for time/effectiveness)
C) mouth pre-scoreregion
D) Create a secondary index

4. FusionInsightHDin the system,HiveWhat are the supported interface types? (multiple choice)

A) mouthRubyinterface
B) mouthODB, Cinterface
C) mouthPythoninterface
D) mouthJDB, Cinterface

5. HDFSused is"Write once, read many"file access model. So it is recommended that a file be created, written and closed After closing, do not modify it again.

A) True
B) False

質問と回答：