Hadoop Practice Test 3

1. In order to turn on RPC authentication in hadoop, set the value of hadoop.security.authentication property to _________

2. ______________ is percentage of memory relative to the maximum heap size in which map outputs may be retained during the reduce.

3. Which of the following command runs ResourceManager admin client?

4. reduceProgress() gets the progress of the job's reduce-tasks, as a float between _________

5. Point out the wrong statement.

6. __________ will clear the RMStateStore and is useful if past applications are no longer needed.

7. ________ method adds the deprecated key to the global deprecation map.

8. The CapacityScheduler supports _____________ queues to allow for more predictable sharing of cluster resources.

9. ____________ is used for storing one of the replicas in SSD.

10. Which of the following is only for storage with limited compute?