READ Free Dumps For Cloudera- CCA-332
Question ID 20591 | Which of the following statements arc accurate in describing features of Hadoop rack |
Option A | HDFS is rack aware but MapReduce daemons are not. |
Option B | Rack location is considered in the HDFS block placement policy. |
Option C | Hadoop gives preference to intra-rack data transfer In order to conserve bandwidth. |
Option D | Even for small clusters on a single rack, configuring rack awareness will improve performance. |
Option E | Configuration of rack awareness is accomplished using a configuration file. You cannot use a rack topology script. |
Correct Answer | B,C |
Question ID 20592 | You have a cluster running with the Fair Scheduler enabled and configured. You submit |
Option A | Each pool's share of task slots may change throughout the course of job execution. |
Option B | Pools get a dynamically-allocated share of the available task slots (subject to additional constraints). |
Option C | Each pool gets 1/M of the total available task slots, where M is the number of nodes in the cluster |
Option D | Pools are assigned priorities. Pools with higher priorities are executed before pools with lower priorities. |
Option E | Each pool gets 1/N of the total available task slots, where N is the number of jobs running on the cluster. |
Option F | Each pool's share of task slots remains static within the execution of any individual job. |
Correct Answer | B,D |