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    ak47  
    【字體: 2004年下半年軟件設(shè)計(jì)師上午試題和答案
    2004年下半年軟件設(shè)計(jì)師上午試題和答案
    spks.exam8.com 來源:考試吧(aysyzx.com) 更新:2005-5-7 10:49:00 軟件水平考試 考試論壇

       ●下面函數(shù)中漸進(jìn)時(shí)間最小的是_(53)_。

      (53)A.T1(n)=n+nlogn        B.T2(n)=2n+nlogn 

        C.T3(n)=n2—logn        D.T4(n)=n+100logn

      ●下面的程序段違反了算法的_(54)_原則。

      Void sam()
      { int n=2;
       while(!odd(n))
       n+=2;
       printf(n);
      }

      (54)A.有窮性    B.確定性   C.可行性    D.健壯性

      ●拉斯維加斯(Las Vegas)算法是一種常用的_(55)_算法。

      (55)A.確定性    B.近似    C.概率     D.加密

      ●在分支-限界算法設(shè)計(jì)策略中,通常采用_(56)_搜索問題的解空間。

      (56)A.深度優(yōu)先   B.廣度優(yōu)先  C.自底向上   D.拓?fù)湫蛄?/P>

      ●在下列算法設(shè)計(jì)方法中,_(57)_在求解問題的過程中并不從整體最優(yōu)上加以考慮,而是做出在當(dāng)前看來是最好的選擇。利用該設(shè)計(jì)方法可以解決 _(58)_問題。

      (57)A.分治法    B.貪心法   C.動(dòng)態(tài)規(guī)劃方法 D.回溯法

      (58)A.排序     B.檢索    C.背包     D.0/1背包

      ●以關(guān)鍵字比較為基礎(chǔ)的排序算法在最壞情況下的計(jì)算時(shí)間下界為O(nlogn)。下面的排序算法中,最壞情況下計(jì)算時(shí)間可以達(dá)到O(nlogn)的是_(59)_;該算法采用的設(shè)計(jì)方法是_(60)_。

      (59)A.歸并排序 B.插入排序 C.選擇排序 D.冒泡排序

      (60)A.分治法 B.貪心法 C.動(dòng)態(tài)規(guī)劃方法 D.回溯法

      ●以太網(wǎng)100BASE-TX標(biāo)準(zhǔn)規(guī)定的傳輸介質(zhì)是_(61)_ 。

      (61)A.3類UTP    B.5類UTP   C.單模光纖   D.多模光纖

      ●許多網(wǎng)絡(luò)通信需要進(jìn)行組播,以下選項(xiàng)中不采用組播協(xié)議的應(yīng)用是 _(62)_。在IPv4中把_(63)_類地址作為組播地址。

      (62)A.VOD      B.Netmeeting C.CSCW     D.FTP

      (63)A.A       B.B      C.D       D.E

      ●將雙絞線制作成交叉線(一端按EIA/TIA 568A線序,另一端按EIA/TIA 568B線序),該雙絞線連接的兩個(gè)設(shè)備可為_(64)_。

      (64)A.網(wǎng)卡與網(wǎng)卡         B.網(wǎng)卡與交換機(jī)

        C.網(wǎng)卡與集線器        D.交換機(jī)的以太口與下一級交換機(jī)的UPLINK口

      ●以下不屬于中間件技術(shù)的是 _(65)_ 。

      (65)A.javaRMI    B.CORBA   C.DCOM      D.JavaApplet

      ●Networks can be interconnected by different devices in the physical layer networks can be connected by _(66)_ or hubs .which just move the bits from one network to an identical network. One layer up we find bridges and switches which operate at data link layer. They can accept _(67)_ examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer ,we have routers that can connect two networks, If two networks have _(68)_ network layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections Finally, in the application layer, application gateways translate message _(69)_ .As an example, gateways between Internet e-mail and X.400 e-mail must _(70)_ the e-mail message and change various header fields.

     。66)A.reapers   B.relays    C.packages   D.modems

      (67)A.frimes              B.packets  C.packages   D.cells

     。68)A.special   B.dependent C.similar     D.dissimilar

     。69)A.syntax    B.semantics C.language   D.format

     。70)A.a(chǎn)nalyze   B.parse   C.delete    D.create

      ● The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable _(71)_ of the technical requirements for the software product.
    During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each _(72)_ that it must meet. The starting point is usually a set of high level requirements from the _(73)_ that describe the project or problem.

      In either case, the requirements definition team formulates an overall concept for the system and then defines _(74)_ showing how the system will be operated publishes the system and operations concept document and conducts a system concept review (SCR).

      Following the SCR, the team derives _(75)_ requirements for the system from the high level requirements and the system and operations concept. using structured or object-oriented analysis. the team specifies the software functions and algorithms needed to satisfy each detailed requirement.

     。71)A.function   B.definition   C.specification  D.statement

      (72)A.criterion   B.standard    C.model      D.system

     。73)A.producer   B.customer    C.programmer    D.a(chǎn)nalyser

     。74)A.rules     B.principles   C.scenarios    D.scenes

     。75)A.detailed   B.outlined    C.total      D.complete

    答   案

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