【简答题】交换机工作在OSI模型中的 层,采用 地址通信。路由器工作在OSI模型中的 层,采用 地址通信 。
【简答题】Dubai boasts(夸口) that it has just built a “new global landmark”---the Dubai Tower, which stands 512.1 meters high now and has just become the tallest building in the world. The Dubai Tower now surpass...
【单选题】________ shows that the economy of Dubai is tourist directed. ( )
A.
The booming of Dubai’s business industry.
B.
The record breaking commercial construction projects.
C.
Dubai’s diversity natural resources and wonderful scenery.
D.
Dubai’s luxurious life style.
【多选题】C2B电子商务的特点有
A.
相同生产厂家的相同型号的产品无论通过什么终端渠道购买价格都一样
【单选题】如果预期标的资产价格有较大的下跌可能,通过买进看跌期权持有标的资产空头和直接 卖出标的期货合约或融券卖出标的资产所需要的资金相比( )。