READ Free Dumps For Cloudera- CCA-332
| Question ID 20611 | What's the relationship between JobTrackers and TaskTrackers? |
| Option A | The JobTracker runs on a single master node and accepts MapReduce jobs from clients. A TaskTracker runs on every slave node and is responsible for managing actual map and reduce tasks. |
| Option B | Every node in the cluster runs both a JobTracker and a TaskTracker. The JobTrackers manage jobs, and the TaskTrackers are responsible for managing actual map and reduce tasks. |
| Option C | The TaskTrackers runs on a single master node and accepts MapReduce jobs from clients. A JobTracker runs on every slave node and is responsible for managing map and reduce tasks. |
| Option D | The JobTracker runs on a single master node, but forks a separate instance of itself for every client MapReduce job. A TaskTracker runs on every slave node and is responsible for managing actual map and reduce tasks. |
| Correct Answer | A |
| Question ID 20612 | Which of the following commands does Hadoop offer to discover missing or corrupt HDFS data? |
| Option A | Hadoop does not provide any tools to discover missing or corrupt data; there is no need because three replicas are kept for each data block. |
| Option B | dskchk |
| Option C | du |
| Option D | fsck |
| Option E | The map-only checksum utility. |
| Correct Answer | D |