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系統(tǒng)規(guī)劃與管理師每日一練試題內(nèi)容(2017/9/22)
試題
1: 若某計(jì)算機(jī)系統(tǒng)是由 500 個(gè)元器件構(gòu)成的串聯(lián)系統(tǒng),且每個(gè)元器件的失效率均為10-7/h,在不考慮其他因素對(duì)可靠性的影響時(shí),該計(jì)算機(jī)系統(tǒng)的平均故障間隔時(shí)間為 ()小時(shí)。
A.2×104
B.5×104
C.2×105
D.5×105
試題解析與討論:
http://www.jazzmuze.com/st/3056517340.html試題參考答案:A
試題
2: 實(shí)體聯(lián)系圖(ER )的基本成分不包括 ()。
A.實(shí)體
B.聯(lián)系
C.屬性
D.方法試題解析與討論:
http://www.jazzmuze.com/st/3058428119.html試題參考答案:D
試題
3: 人們使用計(jì)算機(jī)經(jīng)常會(huì)出現(xiàn)“死機(jī)”,該現(xiàn)象屬于安全管理中介質(zhì)安全的 () 。
A.損壞
B.泄露
C.意外失誤
D.電磁干擾
試題解析與討論:
http://www.jazzmuze.com/st/308172066.html試題參考答案:C
試題
4: 模塊設(shè)計(jì)中常用的衡量指標(biāo)是內(nèi)聚和耦合,內(nèi)聚程度最高的是(1);耦合程度最低的是(2)。
(1)A.邏輯內(nèi)聚
B.過程內(nèi)聚
C.順序內(nèi)聚
D.功能內(nèi)聚
(2)A.?dāng)?shù)據(jù)耦合
B.內(nèi)容耦合
C.公共耦合
D.控制耦合試題解析與討論:
http://www.jazzmuze.com/st/3086318324.html試題參考答案:D、A
試題
5: 網(wǎng)絡(luò)設(shè)備管理是網(wǎng)絡(luò)資源管理的重要內(nèi)容。在網(wǎng)絡(luò)設(shè)備中,網(wǎng)關(guān)屬于()。
A.網(wǎng)絡(luò)傳輸介質(zhì)互聯(lián)設(shè)備
B.網(wǎng)絡(luò)物理層互聯(lián)設(shè)備
C.?dāng)?shù)據(jù)鏈路層互聯(lián)設(shè)備
D.應(yīng)用層互聯(lián)設(shè)備試題解析與討論:
http://www.jazzmuze.com/st/3088619494.html試題參考答案:D
試題
6: ()是反映計(jì)算機(jī)即時(shí)存儲(chǔ)信息能力的計(jì)算機(jī)性能指標(biāo)。
A.存取周期
B.存取速度
C.主存容量
D.輔存容量試題解析與討論:
http://www.jazzmuze.com/st/3090717263.html試題參考答案:C
試題
7: 若信息系統(tǒng)的使用分為錄入人員、處理人員和查詢?nèi)藛T3類,則用戶權(quán)限管理的策略適合采用()。
A.針對(duì)所有人建立用戶名并授權(quán)
B.針對(duì)關(guān)系進(jìn)行分解,每類人員對(duì)應(yīng)一組關(guān)系
C.建立每類人員的視圖并授權(quán)給每個(gè)人
D.建立用戶角色并授權(quán)
試題解析與討論:
http://www.jazzmuze.com/st/3107025657.html試題參考答案:D
試題
8: 以下媒體中,()是感覺媒體。
A.音箱
B.聲音編碼
C.電纜
D.聲音試題解析與討論:
http://www.jazzmuze.com/st/312185946.html試題參考答案:D
試題
9: 電子政務(wù)根據(jù)其服務(wù)的對(duì)象不同,基本上可以分為四種模式。某政府部門內(nèi)部的“辦公自動(dòng)化系統(tǒng)”屬于 ( ) 模式。
A.G2B
B.G2C
C.G2E
D.G2G試題解析與討論:
http://www.jazzmuze.com/st/3129128144.html試題參考答案:C
試題
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(不同部門間)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.a(chǎn)ctivities
B.tasks
C.services
D.software
(2)A.document
B.order
C.specification
D.a(chǎn)uthority
(3)A.process
B.a(chǎn)ctivity
C.step
D.task
(4) A.predefined
B.a(chǎn)cceptable
C.rigid
D.Strict
(5)A.invariable
B.fixed
C.permanent
D.dynamic試題解析與討論:
http://www.jazzmuze.com/st/313335300.html試題參考答案:A、C、A、B、D