正确答案: B
帧
题目:OSI七层模型中,数据链路层的数据封装名称为()
解析:B
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举一反三的答案和解析:
[单选题]On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?
Combining routes to multiple networks into one supernet.
解析:解析:Explanation:
[单选题]常见的LSA有几种类型()
6
[单选题]配置路由器时,封装PPP协议的命令是:()
encap ppp
[单选题]OSI七层模型中,网络层的数据封装名称为()
包