CN113238872A - Distributed examination service system based on USB flash disk - Google Patents
Distributed examination service system based on USB flash disk Download PDFInfo
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- CN113238872A CN113238872A CN202110684989.2A CN202110684989A CN113238872A CN 113238872 A CN113238872 A CN 113238872A CN 202110684989 A CN202110684989 A CN 202110684989A CN 113238872 A CN113238872 A CN 113238872A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5083—Techniques for rebalancing the load in a distributed system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0478—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
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Abstract
The invention discloses a distributed examination service system based on a USB flash disk, and belongs to the technical field of computer examination systems. The utility model provides a distributing type examination service system based on USB flash disk, includes total server, branch examination point server, examinee's computer and external storage device, total server with branch examination point server communication connection, branch examination point server with examinee's computer communication connection, external storage device with branch examination point server passes through USB interface communication connection. The invention reduces the burden of the total server, avoids the crash caused by high concurrent connection, and ensures the security of network environment by the communication connection of the point-of-examination server and the computer of the examinee through the local area network.
Description
Technical Field
The invention relates to the technical field of computer examination systems, in particular to a distributed examination service system based on a USB flash disk.
Background
With the development of computer technology, the traditional examination mode gradually changes to a paperless computer examination service system. The existing computer examination service system mostly adopts a mode that an examination terminal is used for installing an examination disk, or a central server issues examination questions. The mode of installing the examination disk on the terminal has the disadvantages of large workload, poor updating effect, independence of each terminal, troublesome later maintenance and gradual elimination.
A central server issues a mode, a BS or CS framework is adopted, and an examination support environment is built at a terminal; and at the uniform time, the central server issues a data packet to the central server, and the terminal analyzes the test paper and performs the examination. This mode can be unified, but it is more stressful for the central server. The calculation power is concentrated, multiple concurrent connections are realized, and the network requirement is high; once the central server fails, all terminals cannot take normal examination. Moreover, the input data of all examinees are stored in a centralized mode, and long-connection distributed data of the examinees are sent in the examination process, so that the requirement on the storage performance of the central server is high.
For network security, certain risks exist in data transmission and transmission; the more links, the more risks increase. And, some examination environments require no network state and cannot support a centralized server mode. Meanwhile, the examinee is identified on the central server, and a digital verification mode in the form of an identity card, an examination card and the like is adopted, so that the defect of identity verification exists. To the monitoring of cheating in the examination hall, rely on camera device and artifical the tour in the examination hall, there is a large amount of dead angles, and the protective effect is not good.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the network security of an examination service system has risks, the requirement on the performance of a server is high due to centralized data storage, the identity verification of the server has defects, and the anti-cheating effect in an examination room is incomplete.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distributed examination service system based on a USB flash disk comprises a main server, examination point servers, examinee computers and external storage equipment, wherein the main server is in communication connection with the examination point servers;
the examination point server is provided with a sign-in module, a transportation and management module and an invigilation module; the check-in module checks and confirms the identities of an invigilator and an examinee, the transportation and management module manages and maintains the system, and the invigilator module monitors an examination site and the examinee computer;
the examinee computer is provided with an answer module, an anti-cheating module and a storage exchange module; the answer module provides examination answer support, the cheating prevention module monitors and analyzes examinees, the storage and exchange module exchanges data with the examination point dividing server, and the storage and exchange module exchanges data with the external storage equipment;
the external storage device is provided with a built-in program area, a safety area and a storage block area; the built-in program area is provided with a driver, the safety area is provided with an authentication secret key, and the storage block area provides a file storage space.
Preferably, the external storage device is a usb disk or a mobile hard disk.
Preferably, the general server is in communication connection with the examination point server through a public network, and the examination point server is in communication connection with the examinee computer through a local area network.
Preferably, the examination point server is connected with an identity card recognition device and a face recognition camera device, and the check-in module is provided with an identity card recognition functional module and a face recognition functional module.
Preferably, the point of examination server is connected with monitoring camera device, monitoring camera device installs in the examination hall, invigilate the module and be provided with video monitoring module and screen monitoring module, video monitoring module is right monitoring camera device's data are shown and are handled, screen monitoring module monitors and duplicates, stores the screen picture and the key mouse operation of examinee's computer.
Preferably, the examinee computer is connected with camera, microphone and body temperature test probe, the camera sets up in examinee one side position, the microphone is respectively the quick-witted case and the display screen of examinee computer set up one respectively, body temperature test probe sets up towards the face of examinee, the anti-cheating module acquires and analyzes examinee's action, environment sound field change, examinee's body temperature change.
Preferably, the external storage device is provided with a fingerprint identification module, and fingerprint information is stored in the safety zone.
Preferably, the examinee computer is not provided with network connection, and the external storage device is connected to the examination point server to download the examination paper package into the storage block area.
Compared with the prior art, the invention provides a distributed examination service system based on a USB flash disk, which has the following beneficial effects:
1. according to the invention, the examination point servers are arranged, so that the load of the total server is reduced, and the breakdown caused by high concurrent connection is avoided; the answer data of the examinees are transmitted to the general server after passing through the examination point server, so that the performance requirement on the general server is reduced; the examination point server is in communication connection with the examinee computer through the local area network, and the safety of the network environment is guaranteed.
2. According to the invention, the main server issues the encrypted test paper packet to the examination point servers, the examination point servers issue the secondary encrypted test paper packet to the examinee computer, and the whole full-process test paper packet is encrypted to ensure the safety of data transmission; and decryption information is distributed in a centralized manner, so that the uniformity of the examination is ensured.
3. In the invigilation, the screen and the keyboard and mouse operation of an examinee are recorded, and the prompt is given immediately when abnormal operation is detected; meanwhile, the anti-cheating module can be used for monitoring and analyzing actions, sound and body temperature of the examinee in a multiple mode, no dead angle exists, the operation is comprehensive, and the anti-cheating effect is fully guaranteed.
4. According to the invention, the security key and the fingerprint information which only correspond to the identity of the examinee make up the defects of the traditional identity verification, and can be only used by the corresponding examinee, so that the identity of the examinee is ensured to be accurately corresponding; and under the condition that each examinee is in a computer network disconnection state, the external storage equipment is adopted to store and transmit the test paper packets, and the requirement of the non-network examination is met.
The device has the advantages that the parts which are not involved are the same as or can be realized by adopting the prior art, the examination point servers are arranged, the load of the total server is reduced, and the breakdown caused by high concurrent connection is avoided; the answer data of the examinees are transmitted to the general server after passing through the examination point server, so that the performance requirement on the general server is reduced; the examination point server is in communication connection with the examinee computer through a local area network, so that the safety of a network environment is ensured; the main server issues an encrypted test paper packet to the sub-examination point server, the sub-examination point server issues a secondary encrypted test paper packet to the examinee computer, and the whole full-flow test paper packet is encrypted to ensure the safety of data transmission; the decryption information is distributed in a centralized manner, so that the uniformity of the examination is ensured; in the monitoring, recording the screen and the keyboard and mouse operation of an examinee, and immediately reminding when detecting abnormal operation; meanwhile, the anti-cheating module carries out multiple monitoring and analysis on the action, sound and body temperature of the examinee, has no dead angle and is comprehensive, and the anti-cheating effect is fully ensured; the security key and the fingerprint information which only correspond to the identity of the examinee make up the defects of the traditional identity verification, and can be only used by the corresponding examinee to ensure the accuracy of the identity of the examinee; and under the condition that each examinee is in a computer network disconnection state, the external storage equipment is adopted to store and transmit the test paper packets, and the requirement of the non-network examination is met.
Drawings
FIG. 1 is a schematic view of the connection state of the present invention;
FIG. 2 is a schematic diagram of a module structure of a point-of-interest server;
FIG. 3 is a schematic block diagram of a test taker's computer;
fig. 4 is a schematic block diagram of an external storage device.
In the figure: 1. a main server; 2. an examination point server; 3. an examinee computer; 4. an external storage device; 201. a check-in module; 2011. an identity card identification function module; 2012. a face recognition functional module; 202. a pipe conveying module; 203. a invigilating module; 2031. a video monitoring module; 2032. a screen monitoring module; 204. an identification card recognition device; 205. a face recognition camera device; 206. a monitoring camera device; 301. a question answering module; 302. an anti-cheating module; 303. a camera; 304. a microphone; 305. a body temperature detection probe; 401. a built-in program area; 402. a security zone; 403. a memory block area; 404. and a fingerprint identification module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a distributed examination service system based on a usb disk includes a main server 1, an examination point server 2, an examinee computer 3, and an external storage device 4. The general server 1 is in communication connection with the examination point server 2, the examination point server 2 is in communication connection with the examinee computer 3, the external storage device 4 is in communication connection with the examination point server 2 through a USB interface, and the external storage device 4 is in communication connection with the examinee computer 3 through a USB interface; each invigilator or examinee is associated with an external storage device 4.
The external storage device 4 is a U disk or a mobile hard disk; the mobile device can be provided with storage to realize data transmission and identity authentication.
The general server 1 is in communication connection with the examination point server 2 through a public network, and the examination point server 2 is in communication connection with the examinee computer 3 through a local area network; the examinee computer 3 is isolated from the external network, and the network environment security of the examinee computer 3 is ensured.
The examination point server 2 is provided with a check-in module 201, a transportation and management module 202 and an invigilation module 203; the check-in module 201 checks and confirms the identities of the invigilator and the examinee, the transportation and management module 202 manages and maintains the system, and the invigilator module 203 monitors the examination site and the examinee computer 3.
Specifically, the point-of-examination server 2 is connected with an identification card recognition device 204 and a face recognition camera device 205; correspondingly, the check-in module 201 is provided with an identity card recognition functional module 2011 and a face recognition functional module 2012, and performs identity verification and check-in on examinees.
Further, the point-of-examination server 2 is connected with a monitoring camera 206, and the monitoring camera 206 is installed in the examination field; the invigilation module 203 is provided with a video monitoring module 2031 and a screen monitoring module 2032, the video monitoring module 2031 displays and processes the data of the monitoring camera 206, and the screen monitoring module 2032 monitors, copies and stores the screen image and the keyboard and mouse operation of the examinee computer 3.
The examinee computer 3 is provided with an answer module 301 and an anti-cheating module 302; the answer module 301 provides examination answer support, and the anti-cheating module 302 monitors and analyzes the examinee.
Specifically, the examinee computer 3 is connected with a camera 303, a microphone 304, and a body temperature detection probe 305. The camera 303 is disposed at a position on the examinee's side, the microphones 304 are disposed one each on the case and the display screen of the examinee's computer 3, respectively, and the body temperature detecting probe 305 is disposed toward the examinee's face. The anti-cheating module 302 acquires and analyzes the actions of the examinees, the changes of the environmental sound field and the changes of the body temperatures of the examinees.
The external storage device 4 is provided with a built-in program area 401, a security area 402, and a memory block area 403. The built-in program area 401 is provided with a driver, the security area 402 is provided with an authentication key, and the storage block area 403 provides a file storage space. Moreover, the embedded program area 401 can be updated and maintained only by the operation and management module 202, and the security area 402 is written; the storage block area 403 can only perform read-write operations through the test point server 2 and the test taker computer 3.
Further, the external storage device 4 is provided with a fingerprint identification module 404, and the security zone 402 stores fingerprint information; each external storage device 4 can be activated only by corresponding to the examinee through fingerprint identification, and the safety is further ensured.
In the pre-examination registration stage, the identity card information and the face information of each examinee are collected, and a safety secret key is generated according to the identity identification code of the examinee; the identity identification code can adopt unique corresponding information such as an identity card number, a reference card number and the like; the identity card information, the face information and the security key of the examinee are input into each sub-examination point server 2 and uploaded to the main server 1; collecting fingerprint information of examinees, and distributing an external storage device 4 for each examinee; the driver is recorded in the built-in program area 401 through the operation and management module 202, and the security key and the fingerprint information of the examinee are stored in the security area 302.
Before a test is performed, an examination point administrator uses the branch examination point server 2 to send an examination point test paper request to the general server 1 after the identity authentication of the transportation and management module 202; the main server 1 issues an encrypted test paper packet to the point-of-examination server 2; the examinee signs in, and the sign-in module 201 verifies the identity of the examinee by using the identity card recognition device 204 and the face recognition camera device 205; the examinees enter an examination room, and during the waiting period before examination, the examinees are inserted into respective external storage devices 4 to be connected with the examinee computers 3; the external storage device 4 is powered on, the examinee performs fingerprint identification through the fingerprint identification module 404, and after the fingerprints are verified to be consistent, the driver of the built-in program area 401 is activated to read the security key of the security area 402 and send the security key to the sub-examination point server 2 for verification; after the verification is passed, the examination point server 2 encrypts and generates a secondary encrypted examination paper packet according to the identification code of the security key and sends the secondary encrypted examination paper packet to the examinee computer 3; the answer module 301 decrypts the secondary encrypted test paper package according to the security key; when the examination opening time is up, the general server 1 issues decryption information to the examination point server 2, the examination point server 2 issues decryption information to the examinee computer 3, and the answer module 301 decrypts and displays the test paper package and starts the answer function. The whole full-flow test paper packet is subjected to multiple encryption, and the safety of data transmission is ensured. In the answering process, the answer data of examinees are sent to the examination point servers 2, and the examination point servers 2 uniformly send the examination point data to the general server 1 after the examination is finished; reducing the performance requirements on the overall server 1.
In the examination, the invigilator can check the video of the examination room, the screen picture of each examinee and the keyboard and mouse operation in real time through the invigilator module 203; the anti-cheating module 302 acquires and analyzes an examinee image in real time by using the camera 303, and sends an abnormal prompt to invigilators when the action amplitude of the examinee exceeds a set threshold value; the microphone 304 picks up environmental sounds, and sends an abnormal prompt to the invigilator when abnormal wave peaks appear; the body temperature detection probe 305 monitors the body temperature change of the examinee, monitors the abnormal question change of the examinee according to the characteristic that the body temperature of the human body rises at the moment of stress, and sends an abnormal prompt to the invigilator. The anti-cheating effect is fully ensured through action, sound, body temperature and multiple monitoring and analysis.
Example two:
the difference from the first embodiment is that the examinee's computer 3 is not provided with a network connection to match the requirements of the non-networked standalone examination. In this state, the examinee computers 3 are independent of each other, and cannot acquire data of the examination point server 2 through network connection. At the moment, the external storage device 4 is adopted to store the test paper package; specifically, the external storage device 4 is connected to the point-of-sale server 2, and downloads the test paper package into the storage block area 403 through the transportation and management module 202. And when the examinee signs in the field, the test paper package is downloaded. During the examination opening period, the examinee inserts the external storage device 4 into the examinee computer 3, after the fingerprint authentication is passed, the answer module 301 reads the examination paper packet for examination, and stores the answer data of the examinee into the external storage device 4; after the examination is finished, the external storage device 4 is handed to an examination supervisor, and the examination point administrator uses the examination point server 2 to uniformly read examination question answering data of examinees.
In the invention, the branch examination point server 2 is arranged, so that the load of the total server 1 is reduced, and the breakdown caused by high concurrent connection is avoided; the answer data of the examinees are transmitted to the general server 1 after passing through the examination point server 2, so that the performance requirement on the general server 1 is reduced; the examination point server 2 is in communication connection with the examinee computer 3 through a local area network, so that the safety of the network environment is ensured; the main server 1 issues an encrypted test paper packet to the sub-examination point server 2, the sub-examination point server 2 issues a secondary encrypted test paper packet to the examinee computer 3, and the whole full-process test paper packet is encrypted to ensure the safety of data transmission; the decryption information is distributed in a centralized manner, so that the uniformity of the examination is ensured; in the monitoring, recording the screen and the keyboard and mouse operation of an examinee, and immediately reminding when detecting abnormal operation; meanwhile, the anti-cheating module 302 can monitor and analyze the actions, the sound and the body temperature of the examinee in multiple ways, has no dead angle and is comprehensive, and fully ensures the anti-cheating effect; the security key and the fingerprint information which only correspond to the identity of the examinee make up the defects of the traditional identity verification, and can be only used by the corresponding examinee to ensure the accuracy of the identity of the examinee; and under the off-network state of each examinee computer 3, the external storage device 4 is adopted to store the test paper packets, and the requirement of the non-network examination is met.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A distributed examination service system based on a USB flash disk is characterized by comprising a main server (1), an examination point server (2), an examinee computer (3) and an external storage device (4), wherein the main server (1) is in communication connection with the examination point server (2), the examination point server (2) is in communication connection with the examinee computer (3), the external storage device (4) is in communication connection with the examination point server (2) through a USB interface, and the external storage device (4) is in communication connection with the examinee computer (3) through a USB interface;
the examination point server (2) is provided with a check-in module (201), a transportation and management module (202) and an invigilation module (203); the check-in module (201) checks and confirms the identities of an invigilator and an examinee, the transportation and management module (202) manages and maintains the system, and the invigilator module (203) monitors an examination site and the examinee computer (3);
the examinee computer (3) is provided with an answer module (301) and an anti-cheating module (302); the answer module (301) provides examination answer support, and the anti-cheating module (302) monitors and analyzes examinees;
the external storage device (4) is provided with a built-in program area (401), a safety area (402) and a storage block area (403); the built-in program area (401) is provided with a driver, the safety area (402) is provided with an authentication key, and the storage block area (403) provides a file storage space.
2. The distributed examination service system based on the USB flash disk of claim 1, wherein the external storage device (4) is a USB flash disk or a mobile hard disk.
3. A distributed test service system based on usb disk as claimed in claim 1 wherein the general server (1) is connected to the point of examination server (2) through public network communication, and the point of examination server (2) is connected to the examinee's computer (3) through local network communication.
4. A distributed examination service system based on a usb disk according to claim 1, wherein the examination point server (2) is connected with an identification card recognition device (204) and a face recognition camera device (205), and the check-in module (201) is provided with an identification card recognition function module (2011) and a face recognition function module (2012).
5. The distributed examination service system based on the USB flash disk according to claim 1, wherein the examination point server (2) is connected with a monitoring camera device (206), the monitoring camera device (206) is installed in a field of examination, the examination module (203) is provided with a video monitoring module (2031) and a screen monitoring module (2032), the video monitoring module (2031) displays and processes data of the monitoring camera device (206), and the screen monitoring module (2032) monitors, copies and stores screen images and keyboard and mouse operations of the examinee computer (3).
6. The distributed examination service system based on the USB flash disk of claim 1, wherein the examinee computer (3) is connected with a camera (303), a microphone (304) and a body temperature detection probe (305), the camera (303) is arranged at one side of the examinee, the microphone (304) is respectively arranged at the case and the display screen of the examinee computer (3), the body temperature detection probe (305) is arranged towards the face of the examinee, and the cheating prevention module (302) acquires and analyzes the action of the examinee, the change of the environmental sound field and the change of the body temperature of the examinee.
7. A distributed test service system based on a usb disk as claimed in claim 1 wherein the external storage device (4) is provided with a fingerprint recognition module (404), and the security zone (402) stores fingerprint information.
8. A distributed test service system based on a usb disk as claimed in claim 1 wherein the examinee's computer (3) is not equipped with a network connection and the external storage device (4) is connected to the test point server (2) to download the test paper package into the storage block area (403).
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