填空题 实验题 实验拓扑如下： 核心交换机LSW1、LSW2，防火墙FW1，运营商设备，PC1（IP:192.168.1.1，网关:192.168.1.254）、PC2（IP:192.168.1.2，网关:192.168.1.254） 设备连接及配置信息： SW2 vlan batch 10 interface Ethernet0/0/1 port link-type access port default vlan 10 interface Ethernet0/0/2 port link-type access port default vlan 10 interface Ethernet0/0/3 port link-type trunk port trunk allow-pass vlan 10 20 SW1 vlan batch 10 20 interface Vlanif20 ip address 192.168.2.1 255.255.255.0 interface GigabitEthernet0/0/1 port link-type access port default vlan 20 interface GigabitEthernet0/0/2 port link-type trunk port trunk allow-pass vlan 10 20 ip route-static 0.0.0.0 0.0.0.0 192.168.2.2 FW1 interface GigabitEthernet1/0/0 undo shutdown ip address 202.100.1.1 255.255.255.252 interface GigabitEthernet1/0/1 undo shutdown ip address 192.168.2.2 255.255.255.0 service-manage ping permit firewall zone trust add interface GigabitEthernet1/0/1 firewall zone untrust add interface GigabitEthernet1/0/0 路由 ip route-static 192.168.1.0 255.255.255.0 192.168.2.1 安全策略 security-policy rule name pcl_pc2_to_inter source-zone trust destination-zone untrust source-address 192.168.1.0 mask 255.255.255.0 action permit nat策略 nat-policy rule name pcl_pc2 source-zone trust destination-zone untrust action source-nat easy-ip 运营商 interface GigabitEthernet0/0/0 ip address 202.100.1.2 255.255.255.252【缺少答案，请补充】