Which component acts as a distribution switch for the physical data center?

The End of Row (EoR) switch acts as a distribution switch for the Top of Rack (ToR) switches. A ToR switch will sit at the top of the rack and create an access method for all the equipment in the rack. Core switch is a term used for the aggregation and core switching functions of all the distribution switches. Virtual switch is a term used for switching inside of a hypervisor, in which software switching occurs.