如下图所示的网络,从安全角度考虑,路由器 A 拒绝从 G0/0/1 接口收到的 OSPF 报文、GRE 报 文、ICMP 报文、以下哪些命令可以实现这个需求?
A.Acl number 3000 Rule 5 deny gre Rule 10 deny 89 Rule15 deny icmp Interface GigabitEthernet0/0/1Traffic-filter inbound acl 3000
B.Acl number 2000 Rule 5 deny 47 Rule 10 deny 89 Rule 15 deny 1 Interface GigabitEthernet0/0/1Traffic-filter inbound acl 2000
C.Acl number 3000 Rule 5 deny 47 Rule 10 deny 89 Rule 15 deny 1 Interface GigabitEthernet0/0/1Traffic-filter inbound acl 3000
D.Acl number 3000 Rule 5 deny gre Rule 10 deny ospf Rule 15 deny icmp Interface GigabitEthernet0/0/1Traffic-filter inbound acl 3000
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