Free H13-711_V3.0 Exam Braindumps (page: 47)

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Which of the following options in HBaser command has the worst performance

  1. put
  2. get
  3. list
  4. Scan

Answer(s): C



Which service process manages the Region of HBasel?

  1. DataNode
  2. ZooKeeper
  3. HMaster
  4. HRegionServer

Answer(s): D



In Hadoop, if yarn.scheduler.capacity.root.QueueA. minimum-user-limitpercent is set to 50, which of the following statements is wrong?

  1. A user submits a task and can use 100% of QueueA's resources.
  2. QueueA must ensure that each user gets at least 50% of the resources.
  3. If there are already 2 user tasks running in QueueA, then the task submitted by the third user needs to wait for the release of resources.
  4. Each user in QueueA can only get up to 50% of the resources.

Answer(s): D



In Kafka HA, when the leader corresponding to the partition is down, a new leader needs to be elected from the followers. Which of the following roles should be executed?

  1. Follower
  2. Controller
  3. Brocker
  4. Leader

Answer(s): C






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