Lan

Notes takes during my layer 2 reading. Cross-over cable ( T568A ) : KeY pins 1-3; 2-6 E1 Cable : Key pins : 1-2;4-5 Auto-MDX allow to use the wrong cable ( bot all cisco switch models) Switches are on auto-negotiation mode ( auto-determine speed and duplex ), use FLP (Fast Link Pulse) to “detect …