Question-121:  Previously you had to set up a Cloudera Hadoop (CDH) cluster using package, can you migrate to parcels?

Answer:  Yes, it can be done, managing software distribution using parcel, which offer many advantages over the packages. However, reverse is also possible.

Question-122: What all things you do to secure your CDH cluster?

Answer:  To make the cluster setup secure we have to enable  authentication ,authorization, auditing and encryption.

Question-123: What all are the features of the Cloudera Manager?

Answer:  Below are the list of features

• Cloudera manager is end to end application for managing CDH cluster.
• Cloudera manager we can easily deploy and centrally operate the complete CDH stack and other managed services.
• It automates the installation process, and reduce the deployment time.
• It provides cluster wide, real time view of host and services running.
• It provides single Central console to enact configuration changes across your cluster.
• Cloudera manager incorporates a full range of reporting and Diagnostic tools for Optimization and utilization.
• Even Cloudera manager provides an API so you can use to automate clustered operation. 

Question-124: In Cloudera manager, what does it mean “client configuration redeployment required”?

Answer:  It indicates that the client configuration for a service should be redeployed.

Question-125:  What is the requirement if you want to move Cloudera manager server on different host?

Answer:  We can move the Cloudera manager server if either the Cloudera manager database server or current backup of the Cloudera manager database is available.