问题
单项选择题
In enterprises, the gateway is the computer that (67) the traffic from a workstation to the outside network that is serving the Web pages. In homes, the gateway is the (68) that connects the user to the internet.
A．TCP
B．ISP
C．FTP
D．IIS
答案
参考答案：B
解析：ISP为Internet服务提供商。