IMAGINE A NETWORK WITH THREE SWITCHES, EACH WITH AN ETHERNET SEGME...

11.

Imagine a network with three switches, each with an Ethernet segment connecting it to

the other two switches. Each switch has some PCs attached to it as well. Which of the

following frames would cause loops if the Spanning Tree Protocol were not running?

a.

Unicasts sent to the MAC address of a device that has never been turned on

b.

Unicasts sent to the MAC address of a device that has been turned on and is

working

c.

Frames sent to the Ethernet broadcast address

d.

None of the above