● 某IP 网络连接如下图所示,主机PC1发出一个全局广播消息,不能够收到该广播消息的是 (59) 。
(59)
A. PC2
B. PC3
C. PC4
D. PC5
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● The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of (71) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions – time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (72) which is concluded with a well-defined (73) and can be further broken down into (74) – a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (75) logically by nature.
37 )一个路由器的路由表如下所示。
如果该路由器接收到一个目的 1P 地址为 10.1.2.5 的报文,那么它应该将其投递到
A ) 10.1.0.0
B ) 10.2.0.5
C ) 10.4.0.0
D ) 10.3.0.7
● 下图的两种编码方案分别是(19) 。
(19)
A. ①曼彻斯特编码,②双相码
B. RZ ① 编码,②曼彻斯特编码
C. NRZ ① -I编码,②差分曼彻斯特编码
D. ①极性码,②双极性码