I can’t get these bricks unstuck

Which of these devices are most commonly associated with OSI layer 3?

A) Repeater

B) Router

C) Switch

D) Bridge

E) If the OSI is just a model, can’t we just switch around all of the Legos?

The answer: B) Router

A router makes forwarding decisions based on the OSI layer 3 address. In most cases today, the OSI layer 3 address is the IP address.

Want to know more? Watch “Network Devices.”

We use many different network devices to connect our devices together. In this video, you’ll learn about hubs, switches, routers, firewalls, and much more.