JNCIS-ENT

A network engineer is designing a Layer 2 loop-prevention solution for an enterprise access network and needs to understand how switches determine which ports actively forward traffic. Which spanning tree concept describes the assignment used to control whether a port forwards or blocks traffic to prevent loops?

An enterprise wants to protect its Layer 2 access ports against attacks that exploit the address resolution and DHCP processes. Which set of port security features should the engineer evaluate to address these specific threats?