試題1

A. A
B. B
C. C
D. D

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試題2

根據(jù)下圖所示的輸出信息，可以確定的是：（ ）


A．本地主機正在使用的端口號是公共端口號
B.192.168.0.200正在與128.105.129. 30建立連接
C．本地主機與202.100.112.12建立了安全連接
D．本地主機正在與100.29.200.110建立連接

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試題3

In a world where it seems we already have too much to do, and too many things to think about, it seems the last thing we need is something new that we have to learn.
But use cases do solve a problem with requirements: with （1 ） declarative requirements it's hard to describle steps and sequences of events.
Use cases, stated simply, allow description of sequences of events that, taken together, lead to a system doing something useful. As simple as this sounds, this is important. When confronted only with a pile of requiements, it's often（2 ）to make sense of what the authors of the  requirements really wanted the system to do. In the preceding example, use cases reduce the ambiguity of the requirements by specifying exactly when and under what conditions certain behavior occurs; as such, the sequence of the behaviors can be regarded as a requirement. Use cases are particularly well suited to capture approaches. Although this may sound simple, the fact is that (3 ) requirement capture approaches, with their emphasis on declarative requirements and "shall" statements, completely fail to capture fail to capture the (4 ) of the system's behavior. Use cases are a simple yet powerful way to express the behavior of the system in way that all stakeholders can easily understand.
But, like anything, use cases come with their own problems, and as useful as they are, they can be (5 ). The result is something that is as bad, if not worse, that the original problem. Therein it's important to utilize use cases effectively without creating a greater problem than the one you started with.
（1）A.plenty
B.loose
C.extra
D.strict
（2）A.impossible
B.possible
C.sensible
D.practical
（3）A.modern
B.conventional
C.different
D.formal
（4）A.statics
B.nature
C.dynamics
D.originals
（5）A.misapplied
B.applied
C.used
D.powerful

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試題4

網(wǎng)絡(luò)配置如下圖所示，其中使用了一臺路由器、一臺交換機和一臺集線器，對于這種配置，下面的論斷中正確的是（）。



A．2個廣播域和2個沖突域
B．1個廣播域和2個沖突域
C．2個廣播域和5個沖突域
D．1個廣播域和8個沖突域

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試題5

某文件系統(tǒng)采用鏈?zhǔn)酱鎯芾矸桨福疟P塊的大小為 1024 字節(jié)。 文件 Myfile.doc 由 5 個邏輯記錄組成，每個邏輯記錄的大小與磁盤塊的大小相等，并依次存放在 121、75、86、65 和 114 號磁盤塊上。若需要存取文件的第 5120 邏輯字節(jié)處的信息，應(yīng)該訪問 （ ） 號磁盤塊。
A、75
B、85
C、65
D、114

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試題6

假設(shè)系統(tǒng)中有三類互斥資源 R1、R2 和 R3，可用資源數(shù)分別為 8、7 和 4。在 T₀ 時刻系統(tǒng)中有 P1、P2、P3、P4 和 P5 五個進程，這些進程對資源的最大需求量和已分配資源數(shù)如下表所示。在 T₀時刻系統(tǒng)剩余的可用資源數(shù)分別為 （1） 。如果進程按 （2） 序 列執(zhí)行，那么系統(tǒng)狀態(tài)是安全的。

（1）A、0、1 和 0
B、0、1 和 1
C、1、1 和 0
D、1、1 和 1
（2）A、P1→P2→P4→P5→P3
B、P2→P1→P4→P5→P3
C、P4→P2→P1→P5→P3
D、P4→P2→P5→P1→P3

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試題7

UML中接口可用于（）。
A．提供構(gòu)造型(stereotype)名稱＜＜interface＞＞的具體類
B．Java和C++程序設(shè)計中，而C#程序設(shè)計中不支持
C．定義可以在多個類中重用的可執(zhí)行邏輯
D．聲明對象類所需要的服務(wù)

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試題8

主存與Cache的地址映射方式中，（）方式可以實現(xiàn)主存任意一塊裝入Cache中任意位置，只有裝滿才需要替換。
A. 全相聯(lián)
B. 直接映射
C．組相聯(lián)
D．串并聯(lián)

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試題9

NAC’s（Network Access Control） role is to restrict network access to only compliant endpoints and （1） users. However, NAC is not a complete LAN （2） solution; additional proactive and （3） security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security （4） . In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures— real-time, multilevel （5）inspection and microsecond threat containment.
（1）A、automated
B、distinguished
C、authenticated
D、destructed
（2）A、risis
B、security
C、favorable
D、excellent
（3）A、constructive
B、reductive
C、reactive
D、productive
（4）A、defense
B、intrusion
C、inbreak
D、protection
（5）A、port
B、connection
C、threat
D、insurance

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試題10

若給定的關(guān)系模式為R<U,F>，U={A,B,C}，F(xiàn)={AB→C,C→B>，則關(guān)系R（ ）。
A.有2個候選關(guān)鍵字AC和BC，并且有3個主屬性
B.有2個候選關(guān)鍵字AC和AB，并且有3個屬性
C.只有一個候選關(guān)鍵字AC，并且有1個非主屬性和2個主屬性
D.只有一個候選關(guān)鍵字AB，并且有1個非主屬性和2個主屬性

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