下列选项中，不属于数据库管理系统的是（ ）。

从用户的角度看，下列选项中不属于数据库系统体系结构的是（ ）。

在通信专业中，缩写词Qos的英文全称是（ ）, “带宽”英文通常翻译为（ ）。

The equivalents of millions of telephone （ ） are transmitted on a single fiber,thinner than a human hair.

A sensor network is （ ） of a large number of sensor nodes that are densely deployed （ ） inside the phenomenon or very close to it.

Some operating systems prefer a wireline （ ） over wireless because it is assumed to have more bandwidth and be more reliable, and some operating systems （ ） the user to define the preference order of the available interfaces.