M4-03Switching, ARP, MAC, and VLAN intro · quiz

Broadcast Basics

Switches flood some frames and forward others. Explain what a switch does with broadcasts and unknown destinations.

A switch receives a frame for a MAC it hasn't learned yet. What does it do?

Drops itFloods it out all other ports in the VLANSends it to the router

How far does a broadcast travel?

To every device on the internetWithin its VLAN / broadcast domainOnly to the sender's port

How does a switch stop flooding to a device?

It learns the source MAC → port mapping from trafficIt never stopsThe admin types every MAC