Transport

Dear guru,

Hi to all can anybody clearify my doubts.....the following .......

1. If we have additional dialoge instances on the R/3 systems ,Then how can we transport development objects from 1 system to another system. I mean DEV,QAS and PRD systems. ?

2. If your enqueoverflows at your sap r/3 system. Then How can you get resolve.....?.

3. Is it necessory to maintain documention for varios tasks ?

4. Can we connect to another sap r/3 system ,IF your gateway service is failed ?

5. Can anybody gave syntax to maintaining naming convention for roles and transport change request no's......?

6. What is the difference between transport domain and transport group ?