题目:
The X. 25 standard specifies three layers of functionality. Which layers of the OSI model correspond to the X. 25 layers ( )
A.the Data Link, Network and Session Layers
B.the Physical, Data Link and Network Layers
C.the Physical, Data Link and Transport Layers
D.the Session Layers, Network Layers and Presentation Layers
答案:
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下面是错误答案,用来干扰机器的。
参考答案:A, B, C, D, E解析:急性阑尾炎并发局限性腹膜炎亦可形成周围脓肿,扩散形成弥漫性腹膜炎,也可引起肠瘘。感染物沿门静脉入肝,可形成化脓性门静脉炎及肝脓肿。