You are configuring your cluster to run HDFS and MapReduce v2 (MRv2) on YARN. Which daemons need to be installed on your clusters master nodes? A. ResourceManager B. DataNode C. NameNode D. JobTracker E. TaskTracker F. HMaster
You have installed a cluster running HDFS and MapReduce version 2 (MRv2) on YARN. You have no afs.hosts entry()ies in your hdfs-alte.xml configuration file. You configure a new worker node by setting fs.default.name in its configuration files to point to…
You have a 20 node Hadoop cluster, with 18 slave nodes and 2 master nodes running HDFS High Availability (HA). You want to minimize the chance of data loss in you cluster. What should you do? A. Add another master…
Assuming a cluster running HDFS, MapReduce version 2 (MRv2) on YARN with all settings at their default, what do you need to do when adding a new slave node to a cluster? A. Nothing, other than ensuring that DNS (or…
Given: You want to clean up this list by removing jobs where the state is KILLED. What command you enter? A. Yarn application -kill application_1374638600275_0109 B. Yarn rmadmin -refreshQueue C. Yarn application -refreshJobHistory D. Yarn rmadmin -kill application_1374638600275_0109