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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2022/7/7)
試題1
面向?qū)ο蠓治龅牡谝豁?xiàng)活動(dòng)是();面向?qū)ο蟪绦蛟O(shè)計(jì)語(yǔ)言為面向?qū)ο?)。查看答案
試題參考答案:
試題2
面向?qū)ο蟮臏y(cè)試可分為四個(gè)層次,按照由低到高的順序,這四個(gè)層次是( )。
A、類(lèi)層——模板層——系統(tǒng)層——算法層
B、算法層——類(lèi)層二—模板層——系統(tǒng)層
C、算法層——模板層——類(lèi)層——系統(tǒng)層
D、類(lèi)層——系統(tǒng)層——模板層——算法層
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試題參考答案:B
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試題3
簡(jiǎn)單算術(shù)表達(dá)式的結(jié)構(gòu)可以用下面的上下文無(wú)關(guān)文法進(jìn)行描述(E為開(kāi)始符號(hào)),()是符合該文法的句子。查看答案
試題參考答案:B
試題4
用戶(hù)在電子商務(wù)網(wǎng)站上使用網(wǎng)上銀行支付時(shí),必須通過(guò)( )在Internet與銀行專(zhuān)用網(wǎng)之間進(jìn)行數(shù)據(jù)交換。查看答案
試題參考答案:A
試題5
包過(guò)濾防火墻對(duì)( )的數(shù)據(jù)報(bào)文進(jìn)行檢查。查看答案
試題參考答案:C
試題6
喬姆斯基(Chomsky)將文法分為 4 種類(lèi)型,程序設(shè)計(jì)語(yǔ)言的大多數(shù)語(yǔ)法現(xiàn)象可用其中的( )描述。
A.上下文有關(guān)文法
B.上下文無(wú)關(guān)文法
C.正規(guī)文法
D.短語(yǔ)結(jié)構(gòu)文法
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試題參考答案:B
試題7
( ) 是一種面向數(shù)據(jù)流的開(kāi)發(fā)方法,其基本思想是軟件功能的分解和抽象。
A、結(jié)構(gòu)化開(kāi)發(fā)方法
B、Jackson 系統(tǒng)開(kāi)發(fā)方法
C、Booch 方法
D、UML(統(tǒng)一建模語(yǔ)言)
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試題參考答案:A
試題解析與討論:www.xomuzic.com/st/80532773.html
試題8
在軟件維護(hù)階段,為軟件的運(yùn)行增加監(jiān)控設(shè)施屬于()維護(hù)。
A.改正性
B.適應(yīng)性
C.完善性
D.預(yù)防性
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試題參考答案:C
試題9
In the fields of physical security and information security, access contro lis the selective restriction of access to a place orothe rresource. The act of accessing may mean consuming, entering, or using. Permission to access a resource is called authorization(授權(quán)).
An access control mechanism(1) between a user (or a process executing on behalf of a user) and system resources, such as applications,operating systems,firewalls,routers,files,and databases.The system must first a uthenticate(驗(yàn)證)a user seeking access.Typically the authentication function determines whether the user is(2 )to access the system at all. Then the access control function determines if the specific requested access by this user is permitteD. A security administrator maintains an authorization database that specifies what type of access to which resources is allowed for this user. The access control function consults this database to determine whether to(3 )access. An auditing function monitors and keeps a record of user accesses to system resources.
In practice,a number of(4 )may cooperatively share the access control function. All operating systems have at least arudimentary(基本的),and in many cases aquite robust,access control component.Add-on security packages can add to the(5 )access control capabilities of the OS. Particular applications orutilities, such as a database management system, also incorporate access control functions. External devices,such as firewalls, can also provide access control services.
(1)A.cooperates
B.coordinates
C.connects
D.mediates
(2)A.denied
B.permitted
C.prohibited
D.rejected
(3)A.open
B.monitor
C.grant
D.seek
(4)A.components
B.users
C.mechanisms
D.a(chǎn)lgorithms
(5)A.remote
B.native
C.controlled
D.Automated
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試題參考答案:D、B、C、A、B
試題10
當(dāng)UML狀態(tài)圖用于對(duì)系統(tǒng)、類(lèi)或用例的動(dòng)態(tài)方面建模時(shí)( )通建模。以下UML狀態(tài)圖中,假設(shè)活動(dòng)的狀態(tài)是A,事件b=0發(fā)生并生的是( ),D變?yōu)榛顒?dòng)的狀態(tài),有關(guān)狀態(tài)圖的敘述中,不正確( )。查看答案
試題參考答案:B、B、D
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