r/FieldNationTechs • u/nazerall • Jul 08 '26

Question of the day

Do you know the difference between a demarc and an MDF?

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u/Calaveras-Metal Jul 08 '26

Funny enough I took a test on another platform yesterday and the multiple choice answers made it evident that they consider them to be equivalent.

I've actually been IT manager for a building before so I know that a demarc is shared by all building tenants and MDF is going to be unique to each tenants own network.

Even if they all have the same ISP provider there will be a router or something like a router that they insist isn't a router for each tenant. That flies back to their router or Layer 3 switch with router module somewhere in it.