Download Cloudera Certified Administrator for Apache Hadoop (CCAH).CCA-500.CertDumps.2021-02-12.33q.tqb

Vendor: Cloudera
Exam Code: CCA-500
Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH)
Date: Feb 12, 2021
File Size: 143 KB
Downloads: 1
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Demo Questions

Question 1
Which command does Hadoop offer to discover missing or corrupt HDFS data?
  1. Hdfs fs –du
  2. Hdfs fsck
  3. Dskchk
  4. The map-only checksum
  5. Hadoop does not provide any tools todiscover missing or corrupt data; there is not need because three replicas are kept for each data block
Correct answer: B
Question 2
You are migrating a cluster from MApReduce version 1 (MRv1)to MapReduce version 2 (MRv2) on YARN. You want to maintain your MRv1 TaskTracker slot capacities when you migrate. What should you do/
  1. Configure yarn.applicationmaster.resource.memory-mb and yarn.applicationmaster.resource.cpu-vcores so that ApplicationMaster container allocations match the capacity you require.
  2. You don’t need to configure or balance these properties in YARN as YARN dynamically balances resource management capabilities on your cluster
  3. Configure mapred.tasktracker.map.tasks.maximum and mapred.tasktracker.reduce.tasks.maximum ub yarn-site.xml to match your clusters capacity set by the yarn-scheduler.minimum-allocation
  4. Configure yarn.nodemanager.resource.memory-mb and yarn.nodemanager.resource.cpu-vcores to match the capacity yourequire under YARN for each NodeManager
Correct answer: D
Question 3
Which YARN daemon or service negotiations map and reduce Containers from the Scheduler, tracking their status and monitoring progress?
  1. NodeManager
  2. ApplicationMaster
  3. ApplicationManager
  4. ResourceManager
Correct answer: B
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