試題1

任何一個基于“比較”的內(nèi)部排序的算法，若對6今元素進(jìn)行排序，則在最壞情況下所需的比較次數(shù)至少為（ ）。
A、10 
B、1l 
C、21 
D、36 

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試題2

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試題3

將數(shù)組{1，1，2，4，7，5}從小到大排序，若采用（1）排序算法，則元素之間需要進(jìn)行的比較次數(shù)最少，共需要進(jìn)行（2）次元素之間的比較。
（1） A．直接插入
B．歸并
C．堆
D．快速
（2） A．5
B．6
C．7
D．8

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試題4

在CPU與主存之間設(shè)置高速緩沖存儲器（Cache），其目的是為了 （ ） 。
A、擴(kuò)大主存的存儲容量
B、提高CPU對主存的訪問效率
C、既擴(kuò)大主存容量又提高存取速度
D、提高外存儲器的速度

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試題5

For nearly  ten years,  the Unified Modeling Language  (UML) has been  the  industrystandard  for  visualizing,  specifying,  constructing,  and documenting  the（1） of  a software-intensive system. As the （2）standard modeling language, the UML facilitates communication and reduces confusion among project  （3） The recent standardization of UML 2.0 has  further extended  the  language's scope and viability.  Its  inherent expressiveness allows  users  to （4） everything  from  enterprise  information  systems  and  distributed Web-based applications to real-time embedded systems. The UML  is not  limited  to modeling software. In fact,  it  is expressive enough  to model （5） systems, such as workflow in the legal system, the structure and behavior of a patien healthcare system, software engineering in aircraft combat systems, and the design  of hardware. To understand the UML, you need to form a conceptual model of the language, and this requires learning three major elements: the UML's basic building blocks, the rules that dictate how  those  building  blocks may  be  put  together,  and  some  common mechanisms  that  apply throughout the UML.
（1）A、classes
B、components
C、sequences
D、artifacts
（2）A、real
B、legal
C、de facto
D、illegal
（3）A、investors
B、developers
C、designers
D、stakeholders
（4）A、model
B、code
C、test
D、modify
（5）A、non-hardware
B、non-software
C、hardware
D、software

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試題6

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試題7

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試題8

以下關(guān)于VLAN的敘述中，屬于其優(yōu)點(diǎn)的是( )
A.允許邏輯地劃分網(wǎng)段
B.減少了沖突域的數(shù)量
C.增加了沖突域的大小
D.減少了廣播域的數(shù)量

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試題9

Cloud computing is a phrase used to describe avariety of computing concepts that involve a large number of computers (71) through a real-time communication network such as the Internet. Inscience,cloud computing is a (72) for distributed computing over a network, and means the (73) to run a program or application on many connected computers at the same time.
The architecture of a cloud is developed at three layers: infrastructure, platform, and application. The infrastucture layer is built with virtualized compute, storage, andnetworkresources.Theplatformlayerisforgeneral-purposeandrepeatedusageofthecollectionofsoftwareresources.TheapplicationlayerisformedwithacollectionofallneededsoftwaremodulesforSaaSapplications.Theinfrastucturelayerservesasthe(74)forbuildingtheplatformlayerofthecloud.Inturn,theplatformlayerisfoundationforimplementingthe(75)layerforSaaS applications.

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試題10

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