单项选择题
A.地址范围:10.0.0.0—10.255.255.255 B.地址范围:172.16.0.0---172.31.255.555 C.地址范围:192.168.0.0---192.168.255.255 D.类地址范围:192.168.0.0---192.168.0.255
A.1B.2C.16D.256
A.aaa accounting network start-stop tacacs+ B.aaa accounting system start-stop tacacs+ C.aaa accounting exec start-stop tacacs+ D.aaa accounting connection start-stop tacacs+
A.直连路由 B.静态路由 C.动态路由 D.默认路由
A.Router(config)#password-encryption B.Router(config)#service password-encryption C.Router#service password-encryption D.Router#password-encryption
A.show ip access-list B.show access-list C.list ip interface D.show ip interface
A.access-list 50 deny 192.168.1.1 0.0.0.255 B.access-list 110 deny ip any any C.access-list 2500 deny tcp any host 192.168.1.1 eq 22 D.access-list 101 deny tcp any host 192.168.1.1
A.SSID B.WEP C.WPA D.IEEE802.11i/WPA2
A.热点已关闭 B.安全密钥不匹配 C.存在射频信号干扰 D.笔记本电脑的驱动需要升级,以支持新的无线协议
A.检查配置寄存器 B.试图从TFTP服务器启动 C.在Flash中加载镜像文件 D.检查NVRAM中的配置文件
A.0.0.0.240 B.255.255.255.252 C.255.255.255.0 D.255.255.255.224