对形式训练说形成一种挑战的相同要素说是由谁提出的?()
A. 桑代克
B. 武德沃斯
C. 奥苏贝尔
D. 贾德
在下列K-CHIEF500监视与报警系统特点中,错误说法是()。
A. K-CHIEF500对被监视对象具有控制功能
B. K-CHIEF500没有对设备的故障自动修复功能
C. K-CHIEF500不能进行船岸通信
D. K-CHIEF500一般不用于船舶主机遥控
以波动率不同估计为基础进行的波动率套利主要包括()
A. 转换套利与反转换套利交易
B. 水平套利
C. 对角套利
D. 以上均正确
Which of the following is true about an OSPF area border router (ABR)?()
A. The ABR must have multiple interfaces connected to the backbone areA
B. An ABR is a router with two interfaces, each connected to a different nonbackbone areA
C. The only requirement to be considered an ABR is at least one interface connected to the backbone areA
D. An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA