试题详情
- 多项选择题以下哪项描述了WAN设备的角色?()
A、CSU/ DSU用于端接本地数字环路
B、调制解调器端接本地数字环路
C、一个CSU/ DSU终止模拟本地环路
D、调制解调器终止模拟本地环路
E、路由器通常被视为DTE设备
F、路由器通常被视为DCE设备
- A,D,E
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