单选题One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）A Virtual GatewayB Real-IP GatewayC NAT GatewayD IP-IP
题目
单选题
One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）
A
Virtual Gateway
B
Real-IP Gateway
C
NAT Gateway
D
IP-IP Gateway