1、外文資料：Regard along with the network technology daily popularization and the information construction, now the school generally all compounded the test safe monitoring equipment, and has built the management information system in this foundation, to information construction positive impetus function.

2、But has the software construction in the practical work to fall behind the phenomenon which constructs to the hardware, for example, the education administration level also pauses to examinees inspection in the traditional test pattern, not only the efficiency is low, moreover also has many malpract

3、ices, creates the information resource the waste.Test non- paper, network, not only can effectively reduce the correlation personnels work load, the better use computer and the network superiority, enhances the working efficiency, also can fairly cause the test, to be fair. Based on this kind of dem

4、and, we developed set of performance stably for the test design, safe have been reliable the network which, the ease of operation was allowed to satisfy massively simultaneously uses to take a test the system. Causes the test the security, fairness, fair greatly to enhance. After this system actual

5、movement uses, effect good, not only greatly advanced the test information construction advancement, moreover causes the school to examinees inspection more scientific, air, fair, to be highly effective and the network. The network test system should be able to satisfy the massive examinees in any p

6、lace, any time all can participate in the test, and automatic judgment result. Through to the test service demand multianalysis, the main function which this system should provide as follows: 1) The examinee may on-line carry on the test, after the test had finished by computer automatic judgment sc

7、ore, and the recording result, the examinee also may examine the standard answer. If the test time, the system automatic prompt completes an assignment and stops doing answers. 2) The teacher may on-line establish the revision question bank, revises the examinee individual material, and monitors the

8、 examination place situation and so on. 3) the manager may on-line establish reference material and so on the examinee, teacher, the verification question bank, arranges the examinee to take a test, revises the examinee and the examination place condition, inquires the examinee to take a test the re

9、sult, monitors the examination place situation as well as the establishment test project with tests the test question number and so on. Moreover for the guarantee test fair, is fair, the examination paper test question stochastically extracts by the computer from the question bank. For strictly will

10、 cease the test to cheat the behavior, the system later is best also should provide the function which the fingerprint confirmation will register. Its main flow is: After the user basis is authorized registers, the system basis user jurisdiction difference, establishes the corresponding operation. A

11、fter the train attendant registers may carry on the test, operation and so on examination result and standard answer; After the teacher registers may carry on revises operation and so on examinees individual material, revision question bank, revision user password as well as monitoring test situatio

12、n; After the manager registers besides has teachers all functions, but also may carry on the verification question bank (only has verified question bank only then to be allowed to carry on test),establishment operation and so on test time, inquiry, printing test result. Also may establish following

13、several items: Test workstation: Carries on the test to the examinee the customer end procedure. Mainly provided has carried on according to the system disposition stochastically sets the topic of a composition, the confirmation registers, test function and so on time prompt, automatic judgment resu

14、lt, examination test result as well as standard answer. Test workstation divides into the customer end procedure and the Web way in the realization way, former allows the examinee (support touches screen test pattern) through the customer end procedure the way to carry on the test, latter allows the

15、 examinee to carry on the test through the test special-purpose network. The test establishes the workstation: Carries on the establishment tote test service the customer end procedure. Mainly provided the revision question bank, the verification question bank, revised the examinee material, establi

16、shes the examinee/examination place condition, the inquiry/printing test result, the question bank inducts/derives function and so on function as well as monitoring test situation. Test application server: Network on-line test system application server. Mainly has realized the data cushion and the t

17、est service logic seal and duplicate uses the function, is takes a test the workstation, the test establishes the workstation and the database server connection. Has provided the rich connection using the server, may increase or the reduced service rule through the module way, considered later will

18、take a test the service promotion, also should reserve the new test type connection using the server level, will cause later the system to expand conveniently. Moreover, for guarantee test effectiveness, using server support hot backup database server pattern, namely if presently is using the databa

19、se server breaks down, then in the system disposition reserve database server automatic cutover for the current database server, all these is does not know in the user with in the intervention situation carries on. Through application server level effectiveness, truly caused the test service to achi

20、eve the use easily, the function formidable, the performances table, the modular degree was strong, has satisfied the new time to an information construction higher request.Furthermore, considered the system the stability with carries out the efficiency, in the analysis network configuration foundat

21、ion, the system later might select distributional three C/S and B/S will mix with the overhead construction method, namely: The examinee if miscarries on the test in this section, may choose the C/S structure to touch the screen test and the examination site test pattern; If the examinee is carries

22、on the test in the outside areas, may choose the B/S structure the examination site test pattern.The network on-line test system needs to carry on the data through the network the transmission, therefore applies the server, the Web server and the database server security must from the system design

23、time carries on the plan. We might use below the security measure:1) In stalls the reliable firewall, carries on the effective containment to the exterior malicious attack. 2) The server (including applies server, database server and the Web server) the hard disk district transformation is the NTFS

24、form, open sure sportive jurisdiction according to the different demand for the user.3) May write the essential code the DLL module, not only streng the need the security, simultaneously also caused the system the modular degree to strengthen, enhanced the system performance. 4) May carry on two tim

25、es of encryptions in the database to the essential data.5) 2,000 data backups with restores the function using SQL the SERVER, guarantees the database information the integrity and the security. The current software quite popular system structural model mainly has: C/S structural model and B/S struc

26、tural model. These two kinds of structures may divide into two with the multilayered overhead con saturation, the main difference lies in whether has used them idle ware (for example COM+ or CORBA) comes the overhead construction to apply the server level. This structural model unified distributiona

27、l multilayered C/S and the B/S merit designs, divides into the customer level, business logic level and the data level in the usual situation.Customer level: Below mainly uses for to satisfy the overall system each kind of visit demand and processes works: The receive users in put, carries on the an

28、alysis inspection to users input and makes corresponding processing; Sends out the data to the server to request that, demonstrated by movement result which transmits using the server. The customer level usually is composed by the customer advancement, the customer advancement mainly includes the ad

29、vancement in this model which the IE browser dynamic foundation the advancement as well as the customer end test workstation founds and so on.Business logic level: Will be responsible to receive the request which will transmit from the customer end or the tour and to request will bequeath the first

30、floor to carry on processing, simultaneously will request the processing result transmission for the customer end or the brow ser. Business logic level advancement mainly is composed by middle ware MTS/COM+ as well as some related processing advancements.Microsoft Corporation has promoted Windows DN

31、A under the Windows platform (Distributed inter Net Application Architecture, distribution network application structure) strategy. Takes Windows COM+ in the DNA strategy the middleware. In the Windows 2,000 above operating systems, COM+ has become a system part. COM+ was the intermediate level has

32、characteristic provided the load balance, the object pond (Object Pooling), business characteristic and so on a series of force support, and the procedure which worked in COM+ receives the operating system the protection, thus the biggest guarantee system security, stable and was highly effective.In

33、 this model, mainly through the ADO realization data dynamic ration, ADO is the Microsoft current mainstream data accessing module, compares with the former data accessing technology, it has provided the extremely simple object model, and has sealed the complex first floor visit technology. Data lev

34、el: Mainly provides the digital data service for business logic level, like the stored datum operating result, returns to the data retrieval result and so on. This structural model has overcome two C/S malpractice, fully has used distributional multilayered C/S and the multilayered B/S merit, extrem

35、ely good has used the existing network resources, and is to the existing network resources effective integration, the use as well as the expansion. Then what is XML? XML (eXtended Markup Language) is one kind of mark language, likes HTML which we is familiar with to be same, but the XML label is acc

36、ording to own needs to come by the people to have custom-made, in other words, any word and the character all may do for the label uses, so long as can the accurate expression data attribute. The accurate expression data meaning is the biggest advantage which XML brings. Moreover, the XML use text m

37、ode saves its form, is advantageous for between the procedure, the operating system links up, the exchange, the adapt ion at present the Internet development. XML appeared the short several years to obtain the widespread application, at present newly promotes software nearly could support XML. For e

38、xample Microsoft Net series software, Office series software and so on. Does not leave for several years, XML can replace HTML to become on Internet the standard mark language? This system if introduces the XML language expression data the advantage, is causes in the system the customer end data dem

39、onstration and the system processing data separation, reduces the development system complex, reduces the system process time, reduces the network transmission quantity, thus enhances the system to carry out the efficiency. The unified modeling language (Unified Modeling Language, UML) is the object

40、-oriented software standardized modeling language. Because its simple, is unified, also can express in the software design the tendency and the static information, at present already became the visible modeling language in fact industry standard.From enterprise information system to base on Web dist

41、ributional application, even is strict real-time inserts the type system all suitably to come in handy UML to come the modeling. This is one kind of rich expression strength language, may describe each kind of view which the development needs, then take this as foundation assembly system. This syste

42、m if introduces UML the main superiority enhances the software development efficiency, reduces the development time, saves the development cost. Take the UML language modeling should be by Rational Corporations Rose tool as best. But Rose quite expensive, and Rose quite is huge, uses is not too conv

43、enient. Borland Corporation produces the ModelMaker modeling tool not only supports, moreover also has its original place in the object modeling. Therefore the modeling tool selects ModelMaker. 窗體底端翻譯：隨著網(wǎng)絡技術的日益普及和信息化建設的出視，現(xiàn)在學校普遍都配制了考試安全監(jiān)控設備，并在此基礎上搭建了管理信息系統(tǒng)，對信息化建設起到了積極的推動作用。但在實際工作中存在著軟件建設落后于硬件建設的現(xiàn)象，例

44、如，教育管理層對考生的考核還停留在傳統(tǒng)的考試模式，不僅效率低下，而且還存在許多弊端，造成信息資源的浪費?？荚嚨臒o紙化、網(wǎng)絡化，不僅能有效減少相關人員的工作量，較好的利用計算機與網(wǎng)絡的優(yōu)勢，提高工作效率，也能使考試更加公平、公正?；谶@種需求，我們?yōu)榭荚囋O計開發(fā)了一套性能穩(wěn)定、安全可靠、操作方便的可以滿足大量同時使用的網(wǎng)絡考試系統(tǒng)。使得考試的安全性、公平性、公正性大大提高。本系統(tǒng)實際運行后使用后，效果良好，不僅大大推進了考試的信息化建設進程，而且使得學校對考生的考核更加科學化、公平化、公正化、高效化和網(wǎng)絡化。網(wǎng)絡考試系統(tǒng)應該能滿足大量考生在任何地方、任何時間都能參加考試，并自動判斷成績。通過對考

45、試業(yè)務需求的詳細分析，本系統(tǒng)應提供的主要功能如下：1）考生可以在網(wǎng)上進行考試，考試結束后由計算機自動判斷分數(shù)，并記錄成績，考生還可以查看標準答案。如果考試時間到，系統(tǒng)自動提示交卷并停止作答。2） 教員可以在網(wǎng)上建立、修改題庫，修改考生個人資料，監(jiān)控考場情況等。3）管理員可以在網(wǎng)上建立考生、教員等檔案資料，審核題庫，安排考生考試，修改考生和考場狀態(tài)，查詢考生考試成績，監(jiān)控考場情況以及設置考試項目與考試題數(shù)等。另外為保證考試的公平、公正，試卷的試題由計算機隨機從題庫抽取。為嚴格杜絕考試的作弊行為，系統(tǒng)以后最好還應該提供指紋驗證登錄的功能。其主要流程是：用戶根據(jù)授權登錄后，系統(tǒng)根據(jù)用戶權限的不同，設

46、置相應的操作操作。乘務員登錄后可以進行考試，查看成績及標準答案等操作；教員登錄后可以進行修改考生的個人資料、修改題庫、修改用戶密碼以及監(jiān)控考試情況等操作；管理員登錄后除具有教員的一切功能外，還可以進行審核題庫（只有審核過的題庫才可以進行考試）、設置考試時間、查詢、打印考試成績等操作。也可以設置以下幾項：考試工作站：對考生進行考試的客戶端程序。主要提供了根據(jù)系統(tǒng)配置進行隨機出題、驗證登錄、考試時間提示、自動判斷成績、查看考試成績以及標準答案等功能。其中考試工作站在實現(xiàn)方式上又分為客戶端程序與Web方式，前者允許考生通過客戶端程序（支持觸摸屏考試模式）的方式進行考試，后者則允許考生通過考試專用網(wǎng)進

47、行考試?？荚囋O置工作站：對考試業(yè)務進行設置的客戶端程序。主要提供了修改題庫、審核題庫、修改考生資料、設置考生/考場狀態(tài)、查詢/打印考試成績、題庫的導入/導出功能以及監(jiān)控考試情況等功能。考試應用服務器：網(wǎng)絡在線考試系統(tǒng)的應用服務器。主要實現(xiàn)了數(shù)據(jù)緩沖及考試業(yè)務邏輯的封裝與復用功能，是考試工作站、考試設置工作站與數(shù)據(jù)庫服務器的接口。應用服務器提供了豐富的接口，可以通過模塊方式增加或者減少業(yè)務規(guī)則，考慮到以后考試業(yè)務的升級，應用服務器層還應預留了新考試類型的接口，使得以后的系統(tǒng)擴展較為方便。另外，為保證考試的高效性，應用服務器支持雙機熱備份的數(shù)據(jù)庫服務器模式，即如果當前正在使用的數(shù)據(jù)庫服務器發(fā)生故障

48、，則系統(tǒng)配置中的后備數(shù)據(jù)庫服務器自動切換為當前數(shù)據(jù)庫服務器，這一切都是在用戶所不知曉與干預的情況下進行的。通過應用服務器層的高效，真正使考試業(yè)務做到了使用簡便、功能強大、性能穩(wěn)定，模塊化程度強，滿足了新時期對信息化建設的較高要求。再者，考慮到系統(tǒng)的穩(wěn)定性與執(zhí)行效率，在分析網(wǎng)絡配置的基礎上，系統(tǒng)以后可采用分布式的三層C/S與B/S混用的架構方式，即：考生如果是在本段進行考試，可以選擇C/S結構的觸摸屏考試和考點考試模式；如果考生是在外地進行考試，可以選擇B/S結構的考點考試模式網(wǎng)絡在線考試系統(tǒng)需要通過網(wǎng)絡來進行數(shù)據(jù)的傳輸，因此可應用服務器、Web服務器與數(shù)據(jù)庫服務器的安全性必須從系統(tǒng)設計時就進行規(guī)劃。我們可采用了以下安全措施：1）加裝可靠的防火墻，對外部的惡意攻擊進行有效的遏制。2）將服務器（包括應用服務器、數(shù)據(jù)庫服務器與Web服務器）的硬盤分區(qū)轉化為NTFS格式，根據(jù)不同的需求為用戶開設各自的權限。3）將關鍵代碼可寫成DLL組件，不但增強了安全性，同時也使系統(tǒng)的模塊化程度加強，提高