【题目描述】
假设有一个局域网,管理站每15分钟轮询被管理设备一次,一次查询访问需要的时间是200ms,则管理站最多可支持(28)个网络设备。
A.400
B.4000
C.4500
D.5000
【我提交的答案】: C |
【参考答案与解析】: 正确答案:C |
【我的疑问】
怎么算的?
第1题
以下关于数据存储的理解中,说法正确的是 ( ) 。
A.DAS存储方式主要适用于小型网络,当存储容量增加时难以扩展
B.NAS存储方式通过光纤通道技术连接存储设备和应用服务器
C.SAN具有良好的扩展能力,实现了真正的即插即用
D.与NAS相比,SAN具有更高的连接速度和处理能力,但网络部署比较困难
第2题
Schedule control is concerned with all the following except ( )
A.influencing the factors that create schedule changes to ensure that the changes are beneficial
B.determing that the schedule has changed
C.managing the actual changes when and as they occur
D.changing the shedule based on customer demands
第3题
Cost of qunlity is ( )
A.primarily coused by poor workmanship of workers who are building or manufacturing the produce
B.associated with non-conformence to specifications and requirements
C.used to determine whether a quality management program is suitable for a given project
D.negligible for most large projects
第4题
文件系统中,设立打开文件(Open)系统功能调用的基本操作是( )。
A.把文件信息从辅存读到内存
B.把文件的控制管理信息从辅存读到内存
C.把磁盘的超级块从辅存读到内存
D.把文件的FAT表信息从辅存读到内存
第5题
Ospf routing protocol typically runs over ( )
A.IP
B.TCP
C.UDP
D.ARP
第6题
h the result.the contract is considered to be ( )
A.incomplete because the buyer is not pleased
B.incomplete because the specs are incorrect
C.compete because the contractor meets the terms and conditions of the contract
D.complete because the contractor is satisfied
第8题
Since risk is associated with most projects,the best course of action is to ( )
A.cover all project risks by buying appropriate insurance
B.ignore the risks,since nothing can be done about them and move forward with the project in an expeditious manner
C.avoid project with clear and present risk
D.identify various risks and implement actions to mitigate their potential impact
第9题
??由多家监理单位分别承担监理业务的工程项目中,作为一名总监理工程师,应当负责( )。
A.建设单位代表分配的各项工作
B.整个工程项目的监理工作
C.所承担的那部分工程的指挥工作
D.监理合同范围内受委托的监理工作
第10题
对于监理风险较大的监理项目,监理单位可以采用的分担风险方式是(2)。
A.将监理业务转让给其他监理单位
B.向保险公司投保
C.与业主组成监理联合体
D.与其他监理单位组成监理联合体
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