Free H13-711_V3.0 Exam Braindumps (page: 80)

Page 80 of 163

Which of the following scenarios in HBase will trigger the F1ush operation?

  1. HBasePeriod refreshMemstore, silentthink period is 1Hour
  2. When the number of files in WALs reaches a threshold
  3. The total size of the MemStore in the Region has reached the preset Flush Size threshold
  4. The ratio of the total memory occupied by the MemStore to the total memory of the RegionServer exceeds the preset threshold size

Answer(s): A,B,C,D



What is the purpose of periodically executing Compaction in the HBase cluster?

  1. Reduce the number of files under the same ColumnFamily in the same Region
  2. Reduce the number of files in the same Region
  3. Improve data read performance
  4. Improve data writing capability

Answer(s): A,C,D



Which of the following descriptions about the functions of HMaster in HBase are correct?

  1. Region load balancing, Region splitting and Region allocation after splitting
  2. Responsible for creating tables, modifying tables, deleting tables
  3. Responsible for load balancing of RegionServer
  4. Region after RegionServer failsmigrate

Answer(s): A,B,C,D



In the processing node Bolt of Streaming. Which of the following operations can be done

  1. join operation
  2. Connect to the database
  3. filter
  4. business processing

Answer(s): A,B,C,D



Page 80 of 163



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Anon commented on October 25, 2023
Q53, The answer is A. Region, not ColumnFamily
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Anon commented on October 24, 2023
Q51, answer is D. Not,
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Anon commented on October 24, 2023
Which statement is correct about the client uploading files to the HDF$ file system in the Hadoop system? The file data of the client is passed to the DataNode through the NameNode Allows the client to divide the file into multiple blocks, according to DaThe address information of taNodel is entered into each DataNode in order The client writes the entire file to each DataNodel in sequence according to the address information of the DataNode, and then divides the file into multiple blos by the DataNode)ck The client only uploads data to one DataNode, and then the NameNodet is responsible for block replication The answer is not B. In fact, all statements are wrong. D is almost correct but replication is done by DN not NN
Anonymous
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