Which of the following explains this scenario?

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