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 de0tected, 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.
Explanation:
An address conflict occurs when two hosts use the same IP address. During address
assignment, DHCP checks for conflicts using ping and gratuitous ARP. If a conflict is
detected, the address is removed from the pool. The address will not be assigned until the
administrator resolves the conflict.
(
http://www.cisco.com/en/US/docs/ios/12_1/iproute/configuration/guide/1cddhcp.html)