【单选题】【消耗次数：1】
OSI参考模型的（ ）提供建立、维护和有序地中断虚电路、传输差错校验和恢复以及信息控制机制。
①
表示层
②
传输层
③
数据链路层
④
物理层
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相关题目
【简答题】
综合 OSI 和 TCP/IP 参考模型的优点，五层协议的体系结构，分别包含物理层、数据链路层、网络层、运输层和[填空]
【简答题】
综合OSI和TCP/IP参考模型的优点，五层协议的体系结构，分别包含物理层、数据链路层、[填空]、运输层和应用层
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to bring
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Excuse me, I am wrong.
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You like apples, dont you?
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Of course, we have some fruits.
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the old couple decided to ____ a boy and a girl though they had three of their own.
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adapt
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is to
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managed
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