我
- A．电信网、广播电视网、互联网
- B．物联网、广播电视网、电信网
- C．物联网、广播电视网、互联网
- D．物联网、电信网、互联网
- avi, like many project&n
- bsp; (71) ,had studied the waterfall model of software development as the primary software life-
- cycle (72) ．He was all set to use it for an upcoming project, his first assignment． However, Ravi foun
- d that the waterfall model could not be used because the customer wanted the software delivered in stages, something that implied that the system had to be delivered and built in (73) and not as (74)
- development process, even after tailoring, generally cannot handle change requests． To accommodate change requests without losing control of the project, you must supplement the development process with a requirement change management proc
- A．交换机是一种多端口网桥
- B．交换机的各个端口形成一个广播域
- C．集线器的所有端口组成一个冲突域
- D．集线器可以起到自动寻址的作用
- A．物理层
- B．数据链路层
- C．网络层
- D．传输层 (67)
- A．实现MAC地址与主机名之间的映射
- B．实现IP 地址与MAC地址之间的变换
- C．实现IP 地址与端口号之间的映射
- D．实现应用进程与物理地址之间的变换
- A．12,14
- B．10,14
- C．12,16
- D．10,16
- A．一般由三个步骤组成：问题划分、递归求解、合并解
- B．一定是用递归技术来实现
- C．将问题划分为k个规模相等的子问题
- D．划分代价很小而合并代价很大
- A．分治法
- B．动态规划法
- C．贪心法
- D．回溯法
- A．6
- B．7
- C．8
- D．9
