1205 お客様のコメント
質問 1：
writingMapReduceWhich two interfaces are usually required to be implemented by developers?
A. combineandsort
B. mapandreduce
C. mapandcombine
D. reduceandcombine
正解：B
質問 2：
existSolrWhen indexing, which of the following code snippets can significantly improve indexing performance? (multiple choice)
A. mouthif(updateRequest.getDocumentsMapO.size)>=10000){
cloudSolrClient.request(updateRequest,collName);updateRequest.clear);
B. mouthif(updateRequest.getDocuments).size(O>=1000){
C. 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();
D. mouthIbClient.setRequestWriter(new BinaryRequestWriterO);
正解：A,B,D
質問 3：
FusionInsight HDin, belonging toStreamingWhat is the nature of the data distribution method? (multiple choice)
A. Laal Gg
B. Direct Grouping
C. Shuffle Grouping
D. Field Grouping
正解：B,C,D
質問 4：
Which of the following causesHDFSofNameNodeEntersafemode(install"aroot form)? (multiple choice)
A. The number of missing blocks exceeds the read value.
B. The corrupted copy exceeds the threshold.
C. Lost copies exceed read value.
D. Active and standbyNameNodeThe disk space where the metadata is located is insufficient.
正解：B,C,D
質問 5：
Which of the following options isYamcore functionality?
A. storage
B. Resource management
C. data transmission
D. search
正解：B
質問 6：
FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use a StreamingUser with submit permissionkinitway authentication
A. False
B. True
正解：B
質問 7：
existHBaseWhile the application is running, the application can write data while creating the table.
A. False
B. True
正解：A
質問 8：
Sparkis a memory-based computing engine, allSparkData during program operation can only be stored in in memory.
A. False
B. True
正解：A
質問 9：
HDFSmiddleNameNodeUsed to store metadata for the file system.
A. False
B. True
正解：B
writingMapReduceWhich two interfaces are usually required to be implemented by developers?
A. combineandsort
B. mapandreduce
C. mapandcombine
D. reduceandcombine
正解：B
質問 2：
existSolrWhen indexing, which of the following code snippets can significantly improve indexing performance? (multiple choice)
A. mouthif(updateRequest.getDocumentsMapO.size)>=10000){
cloudSolrClient.request(updateRequest,collName);updateRequest.clear);
B. mouthif(updateRequest.getDocuments).size(O>=1000){
C. 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();
D. mouthIbClient.setRequestWriter(new BinaryRequestWriterO);
正解：A,B,D
質問 3：
FusionInsight HDin, belonging toStreamingWhat is the nature of the data distribution method? (multiple choice)
A. Laal Gg
B. Direct Grouping
C. Shuffle Grouping
D. Field Grouping
正解：B,C,D
質問 4：
Which of the following causesHDFSofNameNodeEntersafemode(install"aroot form)? (multiple choice)
A. The number of missing blocks exceeds the read value.
B. The corrupted copy exceeds the threshold.
C. Lost copies exceed read value.
D. Active and standbyNameNodeThe disk space where the metadata is located is insufficient.
正解：B,C,D
質問 5：
Which of the following options isYamcore functionality?
A. storage
B. Resource management
C. data transmission
D. search
正解：B
質問 6：
FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use a StreamingUser with submit permissionkinitway authentication
A. False
B. True
正解：B
質問 7：
existHBaseWhile the application is running, the application can write data while creating the table.
A. False
B. True
正解：A
質問 8：
Sparkis a memory-based computing engine, allSparkData during program operation can only be stored in in memory.
A. False
B. True
正解：A
質問 9：
HDFSmiddleNameNodeUsed to store metadata for the file system.
A. False
B. True
正解：B
星山** -
超効率的な勉強法ですね！まずくことなくH13-723_V2.0をスルスル理解できます。