如果要建立多人在线的服务器，以下代码正确的是（）
A: createServer（"SinglePlayer"，"control/data/maps/book_ch4.mis"）；
B: createServer（"MultiPlayer"，"control/data/maps/book_ch4.mis"）；
C: createServer（"MultiPlayer"，control/data/maps/book_ch4.mis）；
D: createServer（"SinglePlayer"，control/data/maps/book_ch4.mis）；
A: createServer（"SinglePlayer"，"control/data/maps/book_ch4.mis"）；
B: createServer（"MultiPlayer"，"control/data/maps/book_ch4.mis"）；
C: createServer（"MultiPlayer"，control/data/maps/book_ch4.mis）；
D: createServer（"SinglePlayer"，control/data/maps/book_ch4.mis）；
举一反三
- Flow control is one of the basic functions of the data link layer. Regarding flow control, which one is correct among following statements? A: Only the data link layer has flow control B: Not only the data link layer has flow control, but the flow control objects of each layer are the same C: Not only does the data link layer have flow control, but the flow control objects of each layer are different D: None of the above is right
- 以下共用体定义错误的是（） A: union{ int i;char ch;float f;}a,b,c; B: union data{int i;char ch;float f;} C: union data{int i; char ch;float f;}union data a,b,c; D: union data{ int i;char ch;float f;};union dataa,b,c;
- SCADA（Supervisory Control And Data Acquisition）即（）。
- Two modules are _____ coupled if one passes an element of control to the other. A: control B: stamp C: data D: logical
- Which OSI layer handles flow control, data segmentation, and reliability A: Application B: Physical C: Transport D: Data Link