An attacker is launching a DoS attack on the Company network using a hacking tool designed to exhaust the IP address space available from the DHCP servers for a period of time. Which procedure would best defend against this type of attack？（）A. Configure only trusted interfaces with root guard.B. Implement private VLANs （PVLANs） to carry only user traffic.C. Implement private VLANs （PVLANs） to carry only DHCP traffic.D. Configure only untrusted interfaces with root guard.E. Configure DHCP spoofing on all ports that connect untrusted clients.F. Configure DHCP snooping only on ports that connect trusted DHCP servers.G. None of the other alternatives apply

单项选择题

An attacker is launching a DoS attack on the Company network using a hacking tool designed to exhaust the IP address space available from the DHCP servers for a period of time.
Which procedure would best defend against this type of attack？（）

A. Configure only trusted interfaces with root guard.
B. Implement private VLANs （PVLANs） to carry only user traffic.
C. Implement private VLANs （PVLANs） to carry only DHCP traffic.
D. Configure only untrusted interfaces with root guard.
E. Configure DHCP spoofing on all ports that connect untrusted clients.
F. Configure DHCP snooping only on ports that connect trusted DHCP servers.
G. None of the other alternatives apply

CCNP(642-813)