● 数字签名的功能不包括 (7) 。
(7)
. 保证数据的完整性
● 数字签名的功能不包括 (7) 。
(7)
. 保证数据的完整性
●人们需要用观测或测量得到的原始数据建立数学模型来解决实际问题,这种方法称为数据建模法。在建模过程中,下面关于原始数据作用的叙述,不正确的是 (55) 。
(55)
● Organizations perform. work to achieve a set of objectives. Generally,work can be categorized as either projects or operations, although the twosometimes are (67) .
● Project (69) Management includes the processes required to ensure thatthe project includes all the work required, and only the work required, tocomplete the project successfully.
t
● 关于分页式虚拟存储器的论述,正确的是 (17) 。
(17)
● 为测量高负载大型计算机系统的性能,最适宜的方法是 (61) 。
(61)
● 计算机对声音信号进行处理前,必须将它转换成为数字信号,最基本的声音信号数字化方法是取样-量化法。若量化后的每个声音样本用1个字节表示,则量化分辨率是 (63) 。
(63)
● (65) 不是设备选型时应考虑的主要原则。
(65)
●一个IP数据包经过一台路由器转发到另一个网络,该IP数据包的头部字段中一定会发生变化的是(11)。
● 下列有关中华人民共和国政府采购法的陈述中,错误的是(30) 。
(30)
● On some projects, especially ones of smaller scope, activity sequencing, activity resource estimating, activity duration estimating, and (70) are so tightly linked that they are viewed as a single process that can be performed by a person over a relatively short period of time.