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Free H13-711_V3.0 Exam Braindumps (page: 34)

Page 33 of 164
PDF with 649 Questions

Which of the following statements about the read/write process of the leader node of Zookeeper after receiving the data change request is correct?

  1. Simultaneous writes to disk and memory
  2. Write to disk first, then write to memory
  3. write to memory only
  4. Write to memory first, then write to disk

Answer(s): B



Which of the following descriptions about HBase. Secondary Index is correct

  1. The secondary index associates the column to be searched with the rowkey into an index table
  2. At this point, it is listed as a new rowkey; the original rowkey becomes the value
  3. The secondary index is queried twice
  4. all of the above

Answer(s): D



A user information table meg is saved in HBaser of Fusioninsight HD_table, Rowkey is the user id, one of which is the name of the user, now write three KeyValues to this column in sequence:001:Li, 001:Mary001:Lily, may I ask scanmeg_table', (VERSION=>2) which pieces of data will be returned?

  1. 001:Lily
  2. 001:Li
  3. 001:Mary, 001:Lily
  4. 001:Li, 001:Mary, 001:Lily

Answer(s): D



Which of the following commands downloads directory files from HDFS to local?

  1. dfs-cat
  2. dfs -mkdir
  3. dfs -get
  4. dfs-put

Answer(s): C






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