A consultant has been tasked to assess a client’s network. The client reports frequent network
outages. Upon viewing the spanning tree configuration, the consultant notices that an old and law
performing edge switch on the network has been elected to be the root bridge. Which of the
following explains this scenario?

A.
The switch also serves as the DHCP server

B.
The switch has the lowest MAC address

C.
The switch has spanning tree loop protection enabled

D.
The switch has the fastest uplink port

Explanation: