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Question 01 : . You have correctly configured the YARN cluster, now you have to start YARN cluster properly with following steps. 1. On the ResourceManager system: $ sudo service hadoop-yarn-resourcemanager start 2. On each NodeManager system (typically 1072
Question 02 : Which of the following step needs to be followed for upgradng the HDFS Metadata for an HA deployement 1. Run the following command on the active NameNode only, and make sure the JournalNodes have been upgraded to CDH 5 and are up and running 1460
Question 03 : While upgrading the CDH5 with YARN, you have to install or update and start a Zookeeper, why you have to do that? 1. For High Availability of NameNode 2. For High Availability of JobTracker 3. For High Availabi 870
Question 04 : Please select the correct command to uninstall Hadoop 1. On Red Hat-compatible systems: $ sudo yum remove bigtop-utils bigtop-jsvc bigtop-tomcat sqoop2-client hue-common solr 2. On SLES systems: $ sudo remove bigtop-u 1083
Question 05 : Select the correct statement which applies while taking the back up HDFS metadata on the NameNode machine 1. Do this step when you are sure that all Hadoop services have been shut down. 2. If there NameNode XML is confi 895
Question 06 : Which of the following is correct command to stop the all Hadoop Services across your entire cluster. 1. for x in `cd /etc/init.d ; ls hadoop-*` ; do sudo service $x stop ; done 2. for x in `cd /etc/init.d ; ls map 953
Question 07 : As you are upgrading your Hadoop Cluster from CDH4 to CDH5, and while doing that you have to back up the Configurations data and stop the services. so what happen when you do "sudo -u hdfs hdfs dfsadmin -saveNamespace " to perform saveNamesp 861
Question 08 : Cloudera distribution of CDH5, is designed to work both MRv1 and YARN on the same nodes, but not the default Hadoop 2.0 by Apache Hadoop 1. True 2. False 3. True, you have to configure CDH5 while setup 4. 848
Question 09 : As you are upgrading your Hadoop Cluster from CDH4 to CDH5, and while doing that you have to back up the Configurations data and stop the services. so which of the following is a correct command for putting the Active NameNode into safe mode 780
Question 10 : Which of the following is not supported in the CDH5 for HA ? 1. Quorum-based storage is the only supported HDFS HA 2. HA with NFS shared storage 3. Both 1 and 2 4. Both 1 and 2 are supported Co 872
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