Download Cloudera.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 |
Demo Questions
Question 1
Which command does Hadoop offer to discover missing or corrupt HDFS data?
- Hdfs fs –du
- Hdfs fsck
- Dskchk
- The map-only checksum
- 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/
- Configure yarn.applicationmaster.resource.memory-mb and yarn.applicationmaster.resource.cpu-vcores so that ApplicationMaster container allocations match the capacity you require.
- You don’t need to configure or balance these properties in YARN as YARN dynamically balances resource management capabilities on your cluster
- 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
- 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?
- NodeManager
- ApplicationMaster
- ApplicationManager
- ResourceManager
Correct answer: B
