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NEW QUESTION 136
useHBaseClient batch write10piece of data, aHRegionServercontains the table on the node of2indivualRegion, respectivelyAandB,10in the data2Article belongs toA,4Article belongs toB, please write this
10pieces of data need to be sent to theHRegionServersend several timesRPCask?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 137
useFusionInsight HDofHiveQuery data, when the amount of data in the intermediate results of the query is large, you can choose to compress the intermediate data Structured data for better performance.
Which of the following areHiveRelevant parameters for intermediate result compression? (multiple choice)
- A. hive.exec.compress.intermediate
- B. hive.intermediate.compression.codec
- C. hive.intermediate.compression.type
- D. hive.exec.compress.output
twenty three
Answer: A,B,C
NEW QUESTION 138
FusionInsight HDin the systemHDFSdefaultBlock Sizehow many?
- A. 128MB
- B. 256MB
- C. 64MB
- D. 32MB
Answer: A
NEW QUESTION 139
YarmWhich role is to manage individual node resources (CPU/Memory)of?
- A. ResourceManager
- B. NameNode
- C. NodeManager
- D. DataNode
Answer: C
NEW QUESTION 140
RDDasSparkThe core object, which has the following characteristics? (multiple choice)
- A. efficient
- B. read only
- C. fault tolerance
- D. partition
Answer: A,B,C,D
NEW QUESTION 141
FusionInsight HDin the system,hiveWhat are the supported interface types?
- A. JDB, Cinterface
- B. Rubyinterface
- C. Pythoninterface
- D. ODB, Cinterface
Answer: A,C,D
NEW QUESTION 142
Which of the following business applications is notHiveApplicable scenarios?
- A. Data mining (user behavior analysis, interest division, regional display)
- B. Data Aggregation (Daily/Weekly user clicks, click ranking)
- C. Real-time real-time online data analysis
- D. Non-real-time analysis (log analysis, statistical analysis)
Answer: C
NEW QUESTION 143
Spark Streamingavailable fromKafkaReceive data and perform calculations, and the calculation results can only be stored inHDFS, can no longer be written backKafka.
- A. True
- B. False
Answer: B
NEW QUESTION 144
the following aboutHDFSIs the description correct?
(multiple choice)
- A. HDFSThe first copy of the data can be stored by using the rack node close to the client.
- B. HDFSprepareNameNodeThe metadata on theNameNodeSync the past directly.
- C. HDFSDepend onNameNode,DataNode,Clientcomposition.
- D. HDFSIt is suitable for the scenario of writing once and reading many times.
Answer: A,C,D
NEW QUESTION 145
A project needs to save the Internet access data in a certain area, and search the full text of these Internet access records to see if there is any sensitive data.
Sensitive information is used to prevent crimes in this area. In this scenario, which of the following options is the best?
- A. Create an index on solr, save the data, and return all the data during full-text search
- B. Store data on HBase, and satisfy fuzzy matching queries through HBase's filtering feature
- C. Retrieve the key information of the record, and obtain the complete record on HBase through the key information
- D. When storing data, build an index on solr, and store complete data in HBase: query full text through solr
Answer: C,D
NEW QUESTION 146
existFusionInsight HDproduct,KafkaWhat is the role name of the service?
- A. Broker
- B. Producer
- C. ZooKeeper
- D. Consumer
Answer: A
NEW QUESTION 147
In the online log query scheme, the?processing to complete the calculation work. During the whole calculation process, the intermediate calculation results need to be For temporary storage, which of the following components are suitable for storing intermediate calculation results? (multiple choice)
- A. HBase
- B. Kafka
- C. Redis
- D. HDfS
Answer: B,C
NEW QUESTION 148
HuaweiFusionInsight HDin the cluster,SparkFrom which of the following services can a service read data?
(multiple choice)
- A. HBase
- B. Hive
- C. YARN
- D. HDFS
Answer: A,B,D
NEW QUESTION 149
passing throughFusionindight ManagerWhen the interface creates a user, you want the user to have access to allTopichave Read and write permissions, but not createTopicpermissions should be addedkafkaWhich group of services?
- A. KakfaGroup
- B. kafkasuperuserGroup
- C. KafkaadminGroup
Answer: B
NEW QUESTION 150
existSpark, assuminglinesIs anDStreamObject, which of the following statements can periodically count the number of words on this stream?
- A. lines.flatMap(_.split??)).map(word=>(word,word.length())).reduceByKey(_+_).print ( )
- B. lines.flatMap(_.split??)).map(word=>(word,1)).reduce(_+_).print ( )
- C. lines.flatMap(_.split??)).map(word=>(word,1)).reduceByKey(_+_).print ( )
- D. lines.flatMap(_.split??)).flatmap(word=>(word,1)).groupByKey(_+_).print ( )
Answer: C
NEW QUESTION 151
Which of the following scenarios is notflinkWhat does the component excel at()?
(multiple choice)
- A. Computing Stream
- B. Data Storage
- C. Batch Iterative
- D. Processing
Answer: A,B
NEW QUESTION 152
when aMapReduceWhen the application is executed, which of the following actions ismapoccurs before the stage of?
- A. partition
- B. sort
- C. Split
- D. combine
Answer: C
NEW QUESTION 153
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