私网设备A 的 IP 地址是 192.168.1.1/24,其对应的公网 IP 是 2.2.2.1;公网设备 B的 IP地址是 2.2.2.5。现需要设备 A对公网提供Telnet服务,可以在NAT设备上使用下列哪项配置?
A.acl number 2000正确答案E
Rule 0 permit source 192.168.1.1 0.0.0.255
Nat address-group 1 2.2.2.1
Interface Ethernet 0/1
Nat outbound 2000 address-group 1 B.acl number 2000
Rule 0 permit source 192.168.1.1 0.0.0.255
Nat address-group 1 2.2.2.1
Interface Ethernet 0/1
Nat outbound 2000 address-group 1 no-pat C.nat server protocol telnet global 2.2.2.1 inside 192.168.1.1 D.nat server protocol tcp global 2.2.2.1 telnet inside 192.168.1.1 E.nat server protocol tcp global 2.2.2.1 23 inside 192.168.1.1 23
