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軟件設(shè)計(jì)師每日一練試題(2023/5/4)

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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2023/5/4)

  • 試題1

    以下關(guān)于軟件維護(hù)的敘述中,正確的是()。
    A.工作量相對(duì)于軟件開(kāi)發(fā)而言要小很多
    B.成本相對(duì)于軟件開(kāi)發(fā)而言要更低
    C.時(shí)間相對(duì)于軟件開(kāi)發(fā)而言通常更長(zhǎng)
    D.只對(duì)軟件代碼進(jìn)行修改的行為

    查看答案

    試題參考答案:

    試題解析與討論:www.xcpkj.com/st/5219610928.html

  • 試題2

    在某銷(xiāo)售系統(tǒng)中,客戶采用掃描二維碼進(jìn)行支付。若采用面向?qū)ο蠓椒ㄩ_(kāi)發(fā)該銷(xiāo)售系統(tǒng),則客戶類(lèi)屬于(1)類(lèi), 二維碼類(lèi)屬于( 2)類(lèi)。
    (1)A.接口
    B.實(shí)體
    C.控制
    D.狀態(tài)
    (2)A.接口
    B.實(shí)體
    C.控制
    D.狀態(tài)

    查看答案

    試題參考答案:B、A

    試題解析與討論:www.xcpkj.com/st/4072920485.html

  • 試題3

    下面的 ( ) 模式將對(duì)象組合成樹(shù)形結(jié)構(gòu)以表示“部分-整體”的層次結(jié)構(gòu),并使得用戶對(duì)單個(gè)對(duì)象和組合對(duì)象的使用具有一致性。
    A、組合(Composite)
    B、橋接(Bridge)
    C、修飾(Decorator)
    D、外觀(Facade)

    查看答案

    試題參考答案:A

    試題解析與討論:www.xcpkj.com/st/79072722.html

  • 試題4

    The project workbook is not so much a separate document as it is a structure imposed on the documents that the project will be producing anyway.
    All the documents of the project need to be part of this (?。? This includes objectives ,external specifications , interface specifications , technical standards , internal specifications and administrative memoranda(備忘錄).
    Technical prose is almost immortal. If one examines the genealogy ( Ff ) of a customer manual for a piece of hardware or software , one can trace not only the ideas , but also many of the very sentences and paragraphs back to the first (請(qǐng)作答此空) proposing the product or explaining the first design. For the technical writer, the paste-pot is as mighty as the pen.
    Since this is so, and since tomorrow's product-quality manuals will grow from today’s memos, it is very important to get the structure of the documentation right. The early design of the project ( ) ensures that the documentation structure itself is crafted, not haphazard. Moreover, the establishment of a structure molds later writing into segments that fit into that structure.
    The second reason for the project workbook is control of the distribution of ( ). The problem is not to restrict information, but to ensure that relevant information gets to all the people who need it.
    The first step is to number all memoranda, so that ordered lists of titles are available and h worker can see if he has what he wants. The organization of the workbook goes well beyond this to establish a tree-structure of memoranda. The ( ) allows distribution lists to be maintained by subtree, if that is desirable.
    A.objective
    B.memoranda
    C.standard
    D.specification

    查看答案

    試題參考答案:B

    試題解析與討論:www.xcpkj.com/st/407629685.html

  • 試題5

    在安全通信中,S將所發(fā)送的信息使用(9)進(jìn)行數(shù)字簽名,T收到該消息后可利用(10)驗(yàn)證該消息的真實(shí)性。
    A.S的公鑰
    B.S的私鑰
    C.T的公鑰
    D.T的私鑰
    A.S的公鑰
    B.S的私鑰
    C.T的公鑰
    D.T的私鑰

    查看答案

    試題參考答案:B、A

    試題解析與討論:www.xcpkj.com/st/3957917601.html

  • 試題6

    假定每一車(chē)次具有唯一的始發(fā)站和終點(diǎn)站。如果實(shí)體“列車(chē)時(shí)刻表”屬性為車(chē)次、始發(fā)站、發(fā)車(chē)時(shí)間、終點(diǎn)站、到達(dá)時(shí)間,該實(shí)體的主鍵是(1);如果實(shí)體“列車(chē)運(yùn)行表”屬性為車(chē)次、日期、發(fā)車(chē)時(shí)間、到達(dá)時(shí)間,該實(shí)體的主鍵是(2)。通常情況下,上述“列車(chē)時(shí)刻表”和“列車(chē)運(yùn)行表”兩實(shí)體型間(3)聯(lián)系。
    (1)A、車(chē)次 
    B、始發(fā)站 
    C、發(fā)車(chē)時(shí)間 
    D、車(chē)次,始發(fā)站
    (2)A、車(chē)次 
    B、始發(fā)站 
    C、發(fā)車(chē)時(shí)間 
    D、車(chē)次,日期
    (3)A、不存在 
    B、存在一對(duì)一
    C、存在一對(duì)多 
    D、存在多對(duì)多 

    查看答案

    試題參考答案:A、D、C

    試題解析與討論:www.xcpkj.com/st/76982651.html

  • 試題7

    函數(shù)foo()、hoo0定義如下,調(diào)用函數(shù)hoo()時(shí),第-個(gè)參數(shù)采用傳值(callBy value)方式,第二個(gè)參數(shù)采用傳引用(callBy reference)方式。設(shè)有函數(shù)調(diào)(函數(shù)foo(5),那么"print(x)”執(zhí)行后輸出的值為(  )。

    A.24
    B.25
    C.30
    D.36

    查看答案

    試題參考答案:A

    試題解析與討論:www.xcpkj.com/st/4512428471.html

  • 試題8

    如下圖如下E-R圖中,兩個(gè)實(shí)體R1、R2之間有一個(gè)聯(lián)系E,當(dāng)E的類(lèi)型為( )時(shí)必須將E轉(zhuǎn)換成—個(gè)獨(dú)立的關(guān)系模式?

    A.1:1
    B.1:*
    C.*:1
    D.*: *

    查看答案

    試題參考答案:D

    試題解析與討論:www.xcpkj.com/st/4548015240.html

  • 試題9

    POP3協(xié)議采用( )模式,客戶端代理與POP3服務(wù)器通過(guò)建立TCP連接來(lái)傳送數(shù)據(jù)。
    A.Browser/Server
    B. Client/Server
    C.Peer to Peer
    D.Peer to Server

    查看答案

    試題參考答案:B

    試題解析與討論:www.xcpkj.com/st/252961994.html

  • 試題10

    對(duì)于一個(gè)大型軟件來(lái)說(shuō),不加控制的變更很快就會(huì)引起混亂。為有效地實(shí)現(xiàn)變更控制,需借助于配置數(shù)據(jù)庫(kù)和基線的概念。  ( )  不屬于配置數(shù)據(jù)庫(kù)。
    A、開(kāi)發(fā)庫(kù)
    B、受控庫(kù)
    C、信息庫(kù)
    D、產(chǎn)品庫(kù)

    查看答案

    試題參考答案:C

    試題解析與討論:www.xcpkj.com/st/82852853.html

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