题目内容

下面关于ARP协议的描述中，正确的是（）。

ARP报文封面在IP数据报中传送
B. ARP协议实现域名到IP地址的转换
C. ARP协议根据IP地址获取对应的MAC地址
D. ARP协议是一种路由协议

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在Windows操作系统中，如果要查找到达目标主机Enric的路径，则输入的命令是（）。

A. traceroute Enric
B. route Enric
C. tracert Enric
D. netsession Enric

共用题干题A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called (1). Requirements written from the developer's perspective and describe how the system will be implemented are called (2). Requirements evolve from detailed statements of the business capabilities that a system should have to detailed statements of the technical way in wluch the capabilities will be implemented in the new system. Requirements can be either functional or nonfunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is (3). The requirement that the system should be able to work on any Web browser belongs to (4). That customer personal information is protected in compliance with the Data Protection Act is a requirement of (5). 空白（1）处应选择（）

A. operational requirements
B. business requirements
C. technical requirements
D. system requirements

使用SNMP协议进行网络管理，下面的描述中错误的是（）。

A. 管理站向代理发出请求，代理返回响应
B. 由代理收集管理信息并存储在管理信息库中
C. 代理定时向管理站报告通信情况
D. 管理站中的应用程序实现预定的管理策略

设甲乙丙三人独立解决某个问题的概率分别为0.45、0.55、0，6，则三人一起解决该问题的概率约为（）

A. 0.53
B. 0.7
C. 0.8
D. 0.9