【名词&注释】
路由器(router)、信号量(semaphore)、数据项(data item)、重新启动(restart)、ICMP数据包(icmp data packet)、处理事务(handling affairs)
[单选题]定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包(icmp data packet)的访问控制列表,Cisco路由器的正确配置是
A. access-list 198 permit icmp 166.129.130.0 255.255.255.0 any access-list 198 deny icmp any any access-list 198 permit ip any any
B. access-list 198 permit icmp 166.129.130.0 0.0.0.255 any access-list 198 deny icmp any any access-list 198 permit ip any any
C. access-list 99 permit icmp 166.129.130:0 0.0.0.255 any access-list 99 deny icnip any any access-list 99 permit ip any any
D. access-list 100 permit icmp 166.129.130.0 0.0.0.255 any access-list 100 permit ip any any access-list 100 deny icmp any any