题目内容:
In most wide area networks, the communication subnet consists of two distinct components:transmission lines and
A.networts
B.switching elements
C.computers
D.data terminal equipment
参考答案:【答案仅供学习,请勿对照自行用药等】
In most wide area networks, the communication subnet consists of two distinct components:transmission lines and
A.networts
B.switching elements
C.computers
D.data terminal equipment