READ Free Dumps For Cloudera- CCA-332
Question ID 20583 | What do you need to do when adding new slave nodes to a cluster? |
Option A | Halt and resubmit any running MapReduce jobs to guarantee correctness. |
Option B | Restart the NameNode daemon. |
Option C | Add a new entry to /etc/slavenodes on the NameNode host. |
Option D | Increase the value of dfs.number.of.nodes in hdfs-site.xml. |
Option E | add the new node's DNS name to the conf/slaves file on the master node. |
Correct Answer | E |
Question ID 20584 | What is the standard configuration of slave nodes in a Hadoop cluster? |
Option A | Each slave node either runs a TaskTracker or a DataNode daemon, but not both. |
Option B | Each slave node runs a JobTracker and a DataNode daemon. |
Option C | Each slave node runs a TaskTracker and a DataNode daemon. |
Option D | Each slave node runs a DataNode daemon, but only a fraction of the slave nodes run TaskTrackers. |
Option E | Each slave node runs a TaskTracker, but only a fraction of the slave nodes run DataNode daemons. |
Correct Answer | C |