[SATLUG] Network+ question collision domains

Todd W. Bucy toddwbucy at grandecom.net
Sun Jan 10 20:13:50 CST 2010

> I don't know about your setup, but if it were HW, a collision domain 
> is where frames being sent out can collide.  Bridges do a Carrier 
> Sense with Multiple Acesss and Collision Detection CSMA/CD.  Hubs do 
> not and the collision detection has to be at the NIC.   That is fairly 
> old technology with Thick-net or Thin-net.  10*-BaseT is generally 
> hooked up to a bridge or a router that inherently prevents collisions.
> A bridge receives a frame and can hold it until the destination is free.
> My conclusion is that what you have is probably free of collisions.
>   -- Bruce
If a bridge holds the data until the line is free wouldn't that make it 
CSMA/CA rather then CSMA/CD?


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