Question-16: If you have three HDP cluster created Dev, UAT and Prod. How many Ambari installation you can have?

Answer: Usually if you are beginner, you get confused with that, you need 3 Ambari installation one for each cluster. But that is not true. You can manage more than one cluster using the single Ambari setup.

Question-17: If I have Ambari admin privileges, then what all I can do?

Answer: Become Hadoop Administrator is very demanding profile. You can check all the available Hadoop Admin training for HDP, Cloudera etc on the HadoopExam.com (visit now). If you are Ambari Admin then you can create a cluster, manage the users for that cluster, and create groups etc. And default admin user has all this permission. Even being an Amabari administrator, you can grant the same or other permissions to the another user as well.

Question-18: What do you mean by group in the Ambari?

Answer: In Ambari group represents the collection of users in a group.

Question-19: What all possible type of groups can be created in Ambari?

Answer: You can create two different type of groups in Ambari as below

• Local: Which is managed in the Ambari Database itself.
• LDAP: If you already have LDAP setup then you can use the to setup a group in LDAP or use existing group from LDAP.

Question-20: What do you mean by Principal?

Answer: All the users or group which can be authenticated and authorized by the LDAP are known as Principal. Because, you would always be granting permissions to the either user or group.