H13-723_V2.0 Updated Exam Dumps [2022] Practice Valid Exam Dumps Question
H13-723_V2.0 Sample with Accurate & Updated Questions
NEW QUESTION 177
Spark StreamingAs a micro-batch stream processing engine, it converts the data of each time slice into aRDDone of partitions are calculated.
- A. True
- B. False
Answer: A
NEW QUESTION 178
Suppose there is an application with10Tables, each table has tens of millions of records, and the number of fields is about20indivual. now useRedisto cache this10The data of a table, the design of its data structure, which of the following is the best design?
- A. usehashTable structure, each row record of each table uses onehashKEY, hashKEYofebCorrespondence table
- B. record fields, and designKEYEach table adds a different prefix to distinguish it.
useringstructure, each field of each row record of each table uses oneKEY. - C. usehashstructure, and a table uses ahashKEY, a row in the table records forhash keyone of indivualed.
- D. usem3structure, each row record of each table uses oneKEY,,aueAll records for a row in the table. The value after the field is concatenated.
Answer: A
NEW QUESTION 179
High and high total1H0middle,QThe heart of the industryA. AIwill be called when the task is runQoziec1etCategory which method?
- A. submit
- B. getJobInfo
- C. .Suspend
- D. run
Answer: D
NEW QUESTION 180
aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, the following description does not the correct one is?
- A. able to passWebHCatCreate tables, query, etc.
- B. Support based onRESTquery request
- C. WebHCatbased onHTTPandHTTPSAgreement to provide services to the outside world
- D. WebHCatThe return data format isXML
Answer: B
NEW QUESTION 181
for running onMapReduceThe application on the platform that this application depends onjarWhere will the bag be placed?
- A. HDFS
- B. DB
- C. HBASE
- D. HIVE
Answer: A
NEW QUESTION 182
existSparkIn application development, which of the following codes can correctly count words?
- A. val counts=textFile.flatMap(line=>line.split(" ")).map(word=>(word,1)).reduceByKey(_+_)
- B. val counts=textFile.flatmap(line=>line.split(" ")).map(-rd=>(word,1)).reduceByKey()
- C. val counts=textFile.map(line=>line.split(" ")).map(word=>(word,1)).groupByKey()
- D. val counts=textFile.map(line=>line.split(" ')).map(-rd=>(word,1)).reduceByKey(_+_)
Answer: A
NEW QUESTION 183
SparkWhat kind of parameter setting methods does the application have? (multiple choice)
- A. In the application code, passSparkContextofsetPropertymethod to set
- B. in the application configuration filespark-defaults.confconfigure in
- C. When submitting your application, by-confmake settings
- D. In the application code, passSparkConfobject to set
Answer: B,C,D
NEW QUESTION 184
FusionInsight HDin the platform,HBaseSecondary indexes are not currently supported.
- A. True
- B. False
Answer: B
NEW QUESTION 185
SparkWhat kind of parameter setting methods does the application have? (multiple choice)
- A. In the application code, passSparkContextofsetPropertymethod to set
- B. in the application configuration filespark-defaults.confconfigure in
- C. In the application code, passSparkConfobject to set
- D. When submitting your application, pass-confmake settings
Answer: B,C,D
NEW QUESTION 186
forFusionInsight HDplatformHBasecomponent, adding a secondary index needs to define the secondary index Which properties? (multiple choice)
- A. Index column type (and index column length)
- B. the name of the column family to which the indexed column belongs,
- C. index column
- D. index name
Answer: A,C,D
NEW QUESTION 187
existSpark, which of the following statements about broadcast variables is correct? (multiple choice)
- A. broadcast variable in eachExecutorsave a copy
- B. Broadcast variables are read-only
- C. broadcast variable viaSparkContext.broadcast) method to generate
- D. broadcast variable in eachTasksave a copy
Answer: A,B,C
NEW QUESTION 188
FusionInsight HDmiddle,Oozieclient'sJava APIwill be called when the task is run OozieClientWhich method of the class?
- A. submit
- B. Run
- C. getJobInfo
- D. suspend
Answer: B
NEW QUESTION 189
SparkThe calculation logic of the application will be parsed intoDAG, this parsing operation consists of which of the following function modules Finish? ?
- A. Driver
- B. Executor
- C. ApplicationMaster
- D. Client
Answer: A
NEW QUESTION 190
A project requires Internet access to a certain area? ?Save it, and search the full text of these Internet records to see if there is any? ?information, with to prevent crime in the region.
In this scenario, which of the following options is the best?
- A. existSolrCreate an index and save the data, and return all the data during full-text search.
- B. When storing data, inSolrindex on theHBaseStore complete data? ?when, throughSolrFull-text search to obtain and record record key information, through the key information inHBasefor the full record.
- C. existHBasestore data on theHBaseThe filtering characteristics of , satisfy fuzzy matching query.
Answer: B
NEW QUESTION 191
FusionInsight HD a completeStreaming CQLWhich of the following parts does the application contain at least? (multiple choice)
- A. Apply commit statement
- B. Create an input stream
- C. Business action statements (such asSELECT,INSERT,JIONWait)
- D. Create output stream
Answer: B,C,D
NEW QUESTION 192
FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)
- A. hive.exec.max.dynamic.partitions
- B. hive.exec.max.dynamic.partitions.pernode
- C. hive.exec.reducers.max
- D. hive.exec.reducers.bytes.per.reducer
Answer: C,D
NEW QUESTION 193
when aMapReduceWhen the application is executed, which of the following actions ismapoccurred before the stage?
- A. sort
- B. split
- C. partition
- D. combine
Answer: B
NEW QUESTION 194
MapReduceIn which of the following is the task ultimately performed?
- A. AppMaster
- B. container
- C. ResourceManager
- D. NodeManager
Answer: B
NEW QUESTION 195
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