网络管理员在 Cisco 设备上执行带外管理任务需要什么? What is required for a network administrator to perform out-of-band management tasks on a Cisco device?
A. 设备可用的活动网络连接 an active network connection available to the device
B. 直接连接到设备控制台端口的计算机 a computer directly connected to the console port of the device
C. 设备上启用并运行的 SSH SSH enabled and functional on the device
D. 在 VLAN 1 上配置的有效 IP 地址 a valid IP address configured on VLAN 1