Which statement is correct regarding the operation of DHCP?

A.
A DHCP client uses a ping to detect address conflicts.

B.
A DHCP server uses a gratuitous ARP to detect DHCP clients.

C.
A DHCP client uses a gratuitous ARP to detect a DHCP server.

D.
If an address conflict is detected, the address is removed from the pool and an administrator must
resolve the conflict.

E.
If an address conflict is detected, the address is removed from the pool for an amount of time
configurable by the administrator.

F.
If an address conflict is detected, the address is removed from the pool and will not be reused
until the server is rebooted.