● (66)is a method of constructing a project schedule network diagram that uses boxes or rectangles,referred to as nodes,to represent activites and connects them with arrows that asow the dependencies.This method includes following types of dependcies orprecedence relationships:(67)the initiation of the successor activity,depends upon the completion of the predecessor activity(68)the initiation of the successor activity,depends upon the initiation of the predecessor activity

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• 1● 关于kerberos和PKI俩种认证协议的叙述中正确的是（64），在使用kerberos认证时，首先向密钥分发中心发送初始票据（65）来请求会话票据，以便获取服务器提供的服务。

  A.kerberos 和PKI都是对称密钥

  B.kerberos和PKI都是非对称密钥

  C.kerberos是对称密钥 ，而PKI是非对称密钥

  D.kerberos是非对称密钥，而PKI是对称密钥

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• 2● 在距离矢量路由协议中，防止路由循环的技术是（63）

  A.使用生成树协议删除回路

  B.使用链路状态公告（LSA）发布网络的拓扑结构

  C.利用水平分裂法阻止转发路由信息

  D.利用最短通路优先算法计算最短通路

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• 3● 划分虚拟局域网（VLAN）有多种方式，以下划分方式中，不正确的是（62）

  A.基于交换机端口划分

  B.基于网卡地址划分

  C.基于用户名划分

  D.基于网络曾地址划分

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• 4● 用路由器把一个网络分段，这样做的好处是（61）

  A.网络中不再有广播通信，所有的数据都通过路由转发器转发

  B.路由器比交换机更有效率

  C.路由器可以对分组进行过滤

  D.路由器可以减少传输延迟

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• 5● 当以下条件同时满足时，监理方应受理（60）提出的费用索赔申请1）索赔事件造成了承包单位直接经济损失2）索赔事件是由于非承包单位的责任发生的3）承包单位已按照施工合同规定的期限和程序提出费用索赔申请表，并附有索赔凭证 材料

  A.业主

  B.建设单位

  C.承包单位

  D.投资方

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• 6● estimating schedule activity costs involves developing an(69)of the cost of the resources needed to complete each schedule activity. Cost estimating includes identifying and considering various costing alternatives.for example,in mostapplication areas,additional work during a design phase is widely held to have the potential for reducing the cost of the execution phase and product oprations.the cost estimating process considers whether the expected savings can offset the cost of the additional design work.cost estmates are generally expressed in units of(70)to facilitate comparisons both within and across projects.the(71)describes important information about prject requirement that is considered duing cost estimating.

  A.accuracy

  B.approxination

  C.specification

  D.summary

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• 7● The (72)technique involves using projecet characteristics in a mathematical model to predict total project cost.models can be simple or complex.

  A.cost aggregation

  B.reserve analysis

  C.parametric estimating

  D.funding limit reconciliarion

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• 8● (73)is ameasurable,verifiable work poduct such as specification.feasibility study report,detail document,or working prototype

  A.milestone

  B.deliverable

  C.etc

  D.BAC

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• 9● (74)are individuals and organizations that are actively involved in the project,or whose interests may be affected as aresult of project execution or project completion;they may also exert influence over the project and its results.

  A.controls

  B.baselines

  C.project stakeholders

  D.project managers

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• 10● (75)is the process of obtaining the stakeholdrs’formal acceptance of the completed project scope .verifying the scope includes reviewing deliverables and work results to ensure that all were completed satisfactorily.

  A.project acceptance

  B.scope verification

  C.scope definition

  D.WBS Creation

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