设系统中A类资源有10个实例,B类资源有5个实例,又设系统中有5个进程P1、P2、P3、 P4、P5。在某一时刻T0,系统状态如下:
A. P2P3P5P4P1
B. P2P4P5P1P3
C. P4P3P1P5P2
D. P5P1P3P4P2
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The X. 25 standard specifies three layers of functionality. Which layers of the OSI model
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
确定一个货物买卖合同是否具有国际性,关键是要确定当事人的国籍,代表处机构所在地的处所往往也被视为通常意义上的“营业地”。()
A. 正确
B. 错误