23用标准访问控制列表配置212.33.127.0/24子网主机登录到路由表，虚拟的配置是
(A) Routerconfig#access-list 10 permit 212.33.127.0 255.255.255.0
Routerconfig#line vty 0 5
Routerconfig-line#access-class 10 in
(B) Routerconfig#access-list 20 permit 212.33.127.0 0.0.0.255
Routerconfig#line vty 0 5
Routerconfig-line#access-class 20 in
(C) Routerconfig#access-list 99 permit 212.33.127.0 0.0.0.255
Routerconfig#line vty 0 5
Routerconfig-line#access-class 99 in
(D) Routerconfig#access-list 100 permit 212.33.127.0 0.0.0.255
Routerconfig#line vty 0 5
Routerconfig-line#access-class 100 in
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