Can I use the Nexus switch as a core switch? If not, why can't I use?

[Md. Shahariar Rahaman]

What is the difference between the Nexus Switch and the Catalyst Switch? Why don't I use the Nexus switch as a core switch?

[balaji.bandi]

Its all depends on the use case and requirement.

Nexus switches are design to be used in Datacenter, and Catalyst meant to use in Enterprise Campus Lan

you need to compare the features and other stuff when you looking to use nexus as Core switches.