【单选题】You are the network administrator for RouterSim.com. A user cannot reach the corporate server from their remote office. The IP address of the host is 192.168.254.10/24, the default gateway of the host...
【判断题】The IP address 127.0.0.1 is used universally to mean “this machine itself that this program is running on” and can often be accessed through the hostname localhost.