Yes, you can. If you have multiple instances of a class registered
as MBeans and you want to expose the data contained in these
MBeans as rows of a table, then you can configure them as a
table.
The SNMP adaptor is compatible with various JMX 1.0 implementations
such as JMX RI, MX4J, JBoss MX, TMX4J and application
servers such as WebLogic, WebSphere, JBoss and Tomcat.
Yes, after deploying the SNMP adaptor, your MBeans would
be mangeable through enterprise consoles such as HP OpenView,
IBM Tivoli, CA Unicenter, etc. The communication between the
manager and the agent is through SNMP.