Of the two lectures, the first was by far _____, partly because the speaker had such a dynamic style.

A．the best

B．better

C．the better

D．much better

通常采用IP地址与MAC地址绑定的策略为某些设备（如服务器）分配固定的IP地址。用鼠标单击（）选项可进行IP地址与MAC地址的绑定设置。

A．地址池

B．地址租约

C．作用域选项

D．保留