really good 3-Tier architecture questions

 

Ok I'm a bit confused so I'm gonna write what I "know" about this

 




There's a 3-Tier development process ( Inside Code)

There's a 3-Tier Architecture (like deployment method)
Am I Wrong with this statements??

If I'm not, we should deploy  each Tier as separate projects?? for instance

 



presentation Tier (smartClient Application) -Solution 1

BL and DAL (dlls or web services (WCF)) as another solution so we can deploy it in the application server- Solution 2
If that is true,

can I use a 3-Tier development process in each project??? for example

 

Presentation:


DAL = communication t ...