2. 计算机
  3. Refer to the exhibit． Which WAN protocol is being used?

Refer to the exhibit． Which WAN protocol is being used?

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问题 Refer to the exhibit． Which WAN protocol is being used?
选项 A、        ATM
B、        HDLC
C、        Frame Relay
D、        PPP
答案C
解析 如下图，使用的是哪个广域网协议？
考点分析：如图，可以看见LMI这个参数，LMI是帧中继中的概念，所以答案为C。
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