Huawei H13-723_V2.0 Exam Dumps

FusionInsight HDmiddle,LoaderThe sequence of transformation steps for a job is input, transformation, and output.

• True
• False

existFusionInsight HDUnder the client, to runMapReducegenerated by the applicationjarBag. Which command can be executed?

• hdfs dfs
• yarn jar
• yarn application

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();

rightHBase, which of the following properties can be set? (multiple choice)

• Versions
• TTL
• Coprocessor
• Compression

FusionInsight HDin, aboutHive UFDSecondary development, is the following description correct? (multiple choice)

• user definedUDFBefore being used, it needs to beHivecreate this in the systemUDonly
• user definedUDF, information such as summary and status is not allowed.
• user definedUDF, can be added according to the actual situationdeterministicandstatefulletc. Notes.
• Under the secure cluster, user-definedUDF, it is recommended to create it once before each use.

which come downRedisIs the command an atomic operation?

• INCR(increment the stored digital value by one)
• HINCRBY(for the hash tablekeydomain infieldvalue plus incrementincrement)
• LPUSH(for linked listspushoperate)
• All of the above

HDFSIn application development of , which of the following fields areHDFSInterfaces supported by the service? (multiple choice)

• BufferedOutputStream.write
• BufferedOutputStream.flush
• FileSystem.create
• FileSystem.append

HDFSmiddleNameNodeUsed to store metadata for the file system.

• True
• False

FusionInsight HDmiddle,OozieBefore submitting the job, you need to upload the configuration files that this job depends on andjarpackage toHDFS

• True
• False

existSpark, which of the following statements about broadcast variables is correct?

• broadcast variable in everyTasksave a copy
• broadcast variable in eachExecutorsave a copy
• Broadcast variables are read-only
• broadcast variable viaSparkContext.broadcast() method to generate