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軟件設(shè)計(jì)師每日一練試題內(nèi)容(2025/4/25)
試題1
設(shè)有如下所示的下三角矩陣A[0..8,0..8],將該三角矩陣的非零元素(即行下標(biāo)不小于列下標(biāo)的所有元素 )按行優(yōu)先壓縮存儲(chǔ)在數(shù)組(0 ≤i ≤8, j ≤i )存儲(chǔ)在數(shù)組M的( ) 中。
A. A
B. B
C. C
D. D
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試題參考答案:A
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題2
在如下所示的數(shù)據(jù)流圖中,共存在()個(gè)錯(cuò)誤。
A.4
B.6
C.8
D.9
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試題參考答案:B
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題3
在面向?qū)ο笙到y(tǒng)中,用 ( ) 關(guān)系表示一個(gè)較大的“整體”類包含一個(gè)或多個(gè)較小的“部分”類。
A、泛化
B、聚合
C、概化
D、合成
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試題參考答案:B
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題4
以下關(guān)于網(wǎng)絡(luò)中存在各種交換設(shè)備的敘述中,錯(cuò)誤的是()。
A.以太網(wǎng)交換機(jī)根據(jù)MAC地址進(jìn)行交換
B.幀中繼交換機(jī)只能根據(jù)虛電路號DLCI進(jìn)行交換
C.三層交換機(jī)只能根據(jù)第三層協(xié)議進(jìn)行交換
D.ATM交換機(jī)根據(jù)虛電路標(biāo)識進(jìn)行信元交換
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試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題5
高級語言源程序的編譯過程分若干個(gè)階段,分配寄存器屬于 ( ) 階段的工作。
A、詞法分析
B、語法分析
C、語義分析
D、代碼生成
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試題參考答案:D
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題6
下列網(wǎng)絡(luò)攻擊行為中,屬于 DOS 攻擊 ()
A.特洛伊木馬攻擊
B.SYNFlooding 攻擊
C.端口欺騙攻擊
D.IP欺騙攻擊
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試題參考答案:B
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題7
設(shè) L 為廣義表,將 head(L)定義為取非空廣義表的第一個(gè)元素,tail(L)定義為取非空廣義表除第一個(gè)元素外剩余元素構(gòu)成的廣義表。若廣義表 L=((x,y,z),a,(u,t,w)),則從 L 中取出原子項(xiàng) y 的運(yùn)算是 ( ) 。
A、head(tail(tail(L)))
B、tail(head(head(L)))
C、head(tail(head(L)))
D、tail(tail(head(L)))
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試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題8
若棧采用順序存儲(chǔ)方式,現(xiàn)有兩棧共享空間V[1..n],, top[i]代表i(i=1,2)個(gè)棧的棧頂(兩個(gè)棧都空時(shí)top[1]= 1、top[2]= n),棧1的底在V[1],棧2的底在V[n],則棧滿(即n個(gè)元素暫存在這兩個(gè)棧)的條件是( )查看答案
試題參考答案:D
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題9
Ravi, like many project (1) , had studied the waterfall model of software development as the primary software life-cycle (2). He was all set to use it for an upcoming project, his first assignment. However, Ravi found that the waterfall model could not be used because the customer wanted the software delivered in stages, something that implied that the system had to be delivered and built in (3) and not as (4).
The situation in many other projects is not very different. The real world rarely presents a problem in which a standard process, or the process used in a previous project, is the best choice. To be the most suitable, an existing process must be (5) to the new problem.
A development process, even after tailoring, generally cannot handle change requests. To accommodate change requests without losing control of the project, you must supplement the development process with a requirement change management process.
(1) A. customers
B. managers
C. users
D. administrators
(2)A. activity
B. procedure
C. process
D. progress
(3) A. parts
B. modules
C. software
D. a whole
(4) A. parts
B. modules
C. software
D. a whole
(5) A. modified
B. used
C. suited
D. tailored
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試題參考答案:B、C、A、D、D
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
試題10
給定關(guān)系模式R{A1,A2,A3,A4)上的函數(shù)依賴集F={A1A3 →A2,A2→A3}。若將R分解為P={(A1,A2),(A1,A3)},則該分解是( )的。
A.無損聯(lián)接且不保持函數(shù)依賴
B.無損聯(lián)接且保持函數(shù)依賴
C.有損聯(lián)接且保持函數(shù)依賴
D.有損聯(lián)接且不保持函數(shù)依賴
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試題參考答案:D
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=4&day=2025/4/25
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