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系统规划与管理师每日一练试题(2017/9/22)在线测试:http://www.cnitpm.com/exam/ExamDay.aspx?t1=29&day=2017/9/22
系统规划与管理师每日一练试题内容(2017/9/22)
试题
1: 若某计算机系统是由 500 个元器件构成的串联系统,且每个元器件的失效率均为10-7/h,在不考虑其他因素对可靠性的影响时,该计算机系统的平均故障间隔时间为 ()小时。
A.2×104
B.5×104
C.2×105
D.5×105
试题解析与讨论:
http://www.cnitpm.com/st/3056517340.html试题参考答案:A
试题
2: 实体联系图(ER )的基本成分不包括 ()。
A.实体
B.联系
C.属性
D.方法试题解析与讨论:
http://www.cnitpm.com/st/3058428119.html试题参考答案:D
试题
3: 人们使用计算机经常会出现“死机”,该现象属于安全管理中介质安全的 () 。
A.损坏
B.泄露
C.意外失误
D.电磁干扰
试题解析与讨论:
http://www.cnitpm.com/st/308172066.html试题参考答案:C
试题
4: 模块设计中常用的衡量指标是内聚和耦合,内聚程度最高的是(1);耦合程度最低的是(2)。
(1)A.逻辑内聚
B.过程内聚
C.顺序内聚
D.功能内聚
(2)A.数据耦合
B.内容耦合
C.公共耦合
D.控制耦合试题解析与讨论:
http://www.cnitpm.com/st/3086318324.html试题参考答案:D、A
试题
5: 网络设备管理是网络资源管理的重要内容。在网络设备中,网关属于()。
A.网络传输介质互联设备
B.网络物理层互联设备
C.数据链路层互联设备
D.应用层互联设备试题解析与讨论:
http://www.cnitpm.com/st/3088619494.html试题参考答案:D
试题
6: ()是反映计算机即时存储信息能力的计算机性能指标。
A.存取周期
B.存取速度
C.主存容量
D.辅存容量试题解析与讨论:
http://www.cnitpm.com/st/3090717263.html试题参考答案:C
试题
7: 若信息系统的使用分为录入人员、处理人员和查询人员3类,则用户权限管理的策略适合采用()。
A.针对所有人建立用户名并授权
B.针对关系进行分解,每类人员对应一组关系
C.建立每类人员的视图并授权给每个人
D.建立用户角色并授权
试题解析与讨论:
http://www.cnitpm.com/st/3107025657.html试题参考答案:D
试题
8: 以下媒体中,()是感觉媒体。
A.音箱
B.声音编码
C.电缆
D.声音试题解析与讨论:
http://www.cnitpm.com/st/312185946.html试题参考答案:D
试题
9: 电子政务根据其服务的对象不同,基本上可以分为四种模式。某政府部门内部的“办公自动化系统”属于 ( ) 模式。
A.G2B
B.G2C
C.G2E
D.G2G试题解析与讨论:
http://www.cnitpm.com/st/3129128144.html试题参考答案:C
试题
10: Murphy's Law suggests, "If anything can go wrong, it will." Murphy has motivated numerous pearls of wisdom about projects; machines, people, and why things go wrong. A project is a [temporary] sequence of unique, complex, and connected ( 1 ) having one goal or purpose and that must be completed by a specific time, within budget, and according to ( 2).Project management is the (3 ) of scoping, planning, staffing, organizing, directing, and controlling the development of an acceptable information system at a minimum cost within a specified time frame. Project management is a cross life cycle activity because it overlaps all phases of any systems development methodology.
For any systems development project, effective project management is necessary to ensure that the project meets the deadline, is developed within a (an) ( 4 ) budget, and fulfills customer expectations and specifications.
Corporate rightsizing has changed the structure and culture of most organizations, and hence, project management. More flexible and temporary interdepartmental(不同部门间)teams that are given greater responsibility and authority for the success of organizations have replaced rigid hierarchical command structures and permanent teams. Contemporary system development methodologies depend on having teams that include both technical and nontechnical users, managers, and information technologists all directed to the project goal. These ( 5) teams require leadership and project management.
(1) A.activities
B.tasks
C.services
D.software
(2)A.document
B.order
C.specification
D.authority
(3)A.process
B.activity
C.step
D.task
(4) A.predefined
B.acceptable
C.rigid
D.Strict
(5)A.invariable
B.fixed
C.permanent
D.dynamic试题解析与讨论:
http://www.cnitpm.com/st/313335300.html试题参考答案:A、C、A、B、D