server is single node or multi node

How to find if server is single node or multi node

Oracle apps can be implemented on single node or multi node.
In single node-database,CM,Reports,forms,Apache are all on one single server only.
In multi-node we can have these components on different servers.
A typical 2-node server has the following->
1st node-database,CM,reports
2nd node-forms,Apache
A typical 3 node server has the following->
1st node-database
2nde node-CM,reports
3rd node-forms,Apache
Here's how to find out if the server is single node or multi node->
1-select * from fnd_nodes(It also contain column like "support_forms","support_web","support_web","support_db","support_admin" which identifies which tier it supports)
2-OAM-oracle applications manager
3- context file(Has variables s_isDB, s_isAdmin, s_isWeb, s_isForms,s _isConc which identifies which tier it supports)

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