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CCA-500 – Cloudera Certified Administrator for Apache Hadoop (CCAH)

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Showing 1–3 of 10 questions

Question 1

You are configuring your cluster to run HDFS and MapReducer v2 (MRv2) on YARN. Which two daemons needs to be installed on your cluster’s master nodes? (Choose two)

Select all that apply, then click Submit answer.

  • ○

    HMaster
  • ○

    ResourceManager
  • ○

    TaskManager
  • ○

    JobTracker
  • ○

    NameNode
  • ○

    DataNode
Question 2

You have a cluster running with the fair Scheduler enabled. There are currently no jobs running on the cluster, and you submit a job A, so that only job A is running on the cluster. A while later, you submit Job B. now Job A and Job B are running on the cluster at the same time. How will the Fair Scheduler handle these two jobs? (Choose two)

Select all that apply, then click Submit answer.

  • ○

    When Job B gets submitted, it will get assigned tasks, while job A continues to run with fewer tasks.
  • ○

    When Job B gets submitted, Job A has to finish first, before job B can gets scheduled.
  • ○

    When Job A gets submitted, it doesn’t consumes all the task slots.
  • ○

    When Job A gets submitted, it consumes all the task slots.
Question 3

Identify two features/issues that YARN is designated to address: (Choose two)

Select all that apply, then click Submit answer.

  • ○

    Standardize on a single MapReduce API
  • ○

    Single point of failure in the NameNode
  • ○

    Reduce complexity of the MapReduce APIs
  • ○

    Resource pressure on the JobTracker
  • ○

    Ability to run framework other than MapReduce, such as MPI
  • ○

    HDFS latency