单选题 只封禁一台IP地址为203.168.47.59主机的access-list的正确配置是______。
(A) access-list 110 permit ip any any
access-list 110 deny ip host 203.168.47.59 any
access-list 110 deny ip any host 203.168.47.59
(B) access-list 110 deny ip host 203.168.47.59 any
access-list 110 deny ip any host 203.168.47.59
access-list 110 permit ip any any
(C) access-list 110 deny ip host 203.168.47.59 any
access-list 110 deny ip any host 203.168.47.59
(D) access-list 110 deny ip host 203.168.47.59 any
access-list 110 permit ip any any
access-list 110 deny ip any host 203.168.47.59

【正确答案】 B
【答案解析】