单位活期存款的计息利率依据是（）
A.基准利率
B.挂牌利率
C.议价利率
D.浮动利率
参考答案：B, C, D
10. is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication。 A. The virtual addressB. The subnet address C. The MAC addressD. The IP address
TCP/IP的层等同于OSI模型中的会话层，表示层和应用层的组合（）
A．会话
B．网络
C．应用
D．传输
