A technician replaces a failed router in an office with the same model unit using the default settings.
After the installation, the technician reboots all of the PCs and servers. Upon reboot some of the PCs
are receiving IP addresses on the same subnet as the new router; other PCs are receiving addresses
on the same subnet as the servers. Which of the following most likely describes the issue?

A.
The DHCP lease pool was not large enough

B.
DHCP lease times were set too low

C.
The router is not the only DHCP server

D.
DHCP was not enabled on the replacement router