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单项选择题根据GPRS07.07规范,下列哪个通过modem对MS设置第一个APN为cmnet和动态地址的命令是正确的?()

A、AT+CGDCONT=1,"IP","cmnet","0.0.0.0",0,0

B、AT+CGDCONT=1,"cmnet","IP","0.0.0.0",0,0

C、AT+CGDCONT=1,"IP","0.0.0.0","cmnet",0,0

D、AT+CGDCONT=1,"IP","cmnet",0,0,"0.0.0.0"

  • A
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