● 以下连网设备中，工作于网络层的设备是__(62)__。
　　（62）A．调制解调器　　　B．以太网交换机　C．集线器　　　D．路由器

　　● 100BaseFX采用的传输介质是__(63)__。
　　（63）A．双绞线　　　　B．光纤　　　　　　C．无线电波　　D．同轴电缆

　　● 在下列网络服务中，__(64)__是远程登录服务，Internet中域名与IP地址之间的翻译是由__(65)__来完成的。
　　（64）A．WWW　　　　　 B．FTP　　　　　　 C．BBS　　　　　D．Telnet
　　（65）A．域名服务器　　B．代理服务器　　　C．FTP服务器　　D． Web服务器

　　● __(66)__ means that every project has a definite beginning and a definite end.
　　（66）A. Project phase　B. Unique　　　　C. Temporary　　　D. Closure

　　● The __(67)__ defines the phases that connect the beginning of a project to its end.
　　（67）A. schedule　　B. project life cycle　C. temporary　D. milestone

　　● __(68)__ are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
　　（68）A. Project managers　　　　B. Project team members
　　　　　C. Sponsors　　　　　　　　D. Project stakeholders

　　● The __(69)__ Process Group consists of the processes used to complete the work defined in the project management plan to accomplish the project's requirements.
　　（69）A. Planning　B. Executing　　C. Monitoring and Controlling　D. Closing

　　● The __(70)__ provides the project manager with the authority to apply organizational resources to project activities.
　　（70）A. project management plan　　　B. contract
　　　　　C. project human resource plan　D. project charter

　　● The __(71)__ describes, in detail, the project's deliverables and the work required to create those deliverables.
　　（71）A. project scope statement　　　B. project requirement
　　　　　C. project charter　　　　　　　D. product specification

　　● The process of __(72)__ schedule activity durations uses information on schedule activity scope ofwork, required resourcetypes,estimated resource quantities, and resource calendars with resource availabilities.
　　（72）A. estimating　　B. defining　　C. planning　　D. sequencing

　　● PDM includes four types of dependencies or precedence relationships: ... __(73)__. The completion of the successor activity depends upon the initiation of the predecessor activity.
　　（73）A. Finish-to-Start　　　　B. Finish-to-Finish
　　　　　C. Start-to-Start 　　　　D. Start-to-Finish

　　● __(74)__ is the budgeted amount for the work actually completed on the schedule activity or WBS component during a giving time period.
　　（74）A. Planned value　B. Earned value　C. Actual cost　D. Cost variance

　　● __(75)__ involves comparing actual or planned project practices to those of other projects to generate ideas for improvement and to provide a basis by which to measure performance. These other projects can be within the performing organization or outside of it, and can be within the same or in another application area.
　　（75）A. Metrics　　B. Measurement　　C. Benchmarking　　D. Baseline