一台cisco路由器上有如下访问控制列表: Access-list 101 deny tcp host 172.16.1.8 any eq telnet Access-list 101 permit ip any any 由于网络管理策略的变化,要求将策略改为拒绝ip地址为172.16.1.8和172.16.1.9两台主机发出的telnet请求,但允许其他IP流量通过,最合适的修改办法为()。(选择一项)
A添加新条目: access-list 101 deny tcp host 172.16.1.9 any eq telnet
B添加新条目: access-list 101 deny tcp host 172.16.1.9 any eq telnet access-list 101 permit ip any any
C删除条目:access-list 101 permit ip any any 再添加新条目: access-list 101 deny tcp host 172.16.1.9 any eq telnet access-list 101 permit ip any any
D删除此访问控制列表,重新编写为: access-list 101 deny tcp 172.16.1.8 0.0.0.1 any eq telnet access-list 101 permit ip any any