I am in learning stage hence, please give me some idea on how to deploy a hadoop cluster in realtime. It will help me to prepare for interviews.
To set up a sandbox on your local machine that runs as a fully operational cluster: https://hortonworks.com/downloads/#sandbox
To set up a cluster in the cloud: http://hortonworks.com/apache/cloudbreak/
To set up a cluster of physical servers: http://docs.hortonworks.com/HDPDocuments/Ambari-184.108.40.206/bk_Installing_HDP_AMB/content/ch_Getting_Rea...