Can any one help me??

report , network , charts Saudi Arabia
  • 12 years ago
    can anyone help me with my assignment please,,i don't have much time to do all the reports and i cant do anything cuz i'm gonna be at the hospital tomorrow for surgery...if u can answer any question i'll be grateful,,, these are the Questions,,, Part 1: Background The International University of Technology (IUT) has decided to offer visitors access to some of the services offered with the Intranet, provided that the visitor has a valid authentication code. Once a visitor is allocated a code (which they can get from the Visitors Room Administrator) they can go to the Visitors Room and use their laptop to connect to the Access point mounted on the wall. The access point is connected to an authentication gateway which in turn connects to the IUT network infrastructure. The IUT has already developed a web-based application that provides all necessary information including embedded audio and video information. Customer who has a wireless enabled PDA, a laptop or a mobile phone that can access the Wi-Fi also can access the services through Internet. IUT have signed a deal with “Broad Bush” (a local ISP) to obtain from them cheap broadband (wireless) Internet access and use it to offer to its visitors. Within the offices that are attached to the building for administrative purposes, a LAN has been installed and is connected to the internet. The IUT web-based application is already installed on a web server within the LAN and also hosted on a web server ( on the internet for public use. Your group has already developed an idea to tackle this project. The idea is to install a wireless network composed of a wireless access points that are connected to the wired network and so to the local server that hosts the university web-based application. Your group has identified the need of access points for wireless LAN as well as for Bluetooth. The idea is that any visitor who has a PDA or a mobile Bluetooth enabled can log into the network and access the university local web-based application, browse, listen and watch any information he might need. The visitors can also make use of the installed laptops that access the LAN via their wireless adapters through the installed access points. This should minimize the need for cables. The visitors can use their mobiles to access the university web application via GPRS (General Packet Radio Service), if their mobiles don’t have Bluetooth or WLAN. After many brainstorming meetings at the group level, you ended up with the following network scenario: Access points will be installed in each room for a wireless network as well as for Bluetooth. The access points are connected to the local area network and so to the web server where the university web applications are hosted. The installed laptops (Centrino technology) will access the LAN via wireless access points and the visitors who have PDA, or mobile Bluetooth enabled will be accessing the LAN via Bluetooth or WLAN access points. Between the different rooms there will bridges installed. The visitors who have handheld devices like PDA, mobile phone or both embedded in one device that are not Bluetooth or WLAN enabled, will be able to access the university web-based applications via GPRS (nowadays most of the GSM providers offer this kind of service). You have been assigned the task of conduction a research about the wireless technology that will be used in this project. You are expected to deliver a report that covers the following points: 1- WLAN i- WLAN modes(ad-hoc and infrastructure) and topologies(BSS, IBSS, peer-to-peer WLAN) ii- Hot spots (access points) iii- WLAN devices a- Wireless network adapter (internal built- in devices such as Intel’s Centrino technology product, USB, PCI, wireless standard 802.1x). b- Access points( a distribution point, hub, and bridge) Access point considerations such as Coverage, placement, network mode. c- Repeaters d- Switches e- Bridges f- Routers and gateways g- Antennas type 2- An overview of the WLAN standards 802.11x 3- Bluetooth (standards Class 1, class2) i- Bluetooth network piconet ii- Bluetooth access points 4- 4G Cellular wireless, 3G, 2.5G. 5- The standard 802.15 Wireless personal area network(WPAN) This will be your first task and you should try to give your best to prove your quality. Question 1 Write a report for your group that: 1. explains the ‘new’ technologies they might use to develop their wireless networks such as WLAN modes(ad-hoc and infrastructure) and topologies, WLAN devices, WLAN standards 802.11x, Bluetooth (standards Class 1, class2) including the new generation of mobile phones and combined PDA devices, 2.5G, 3G & 4G cellular wireless, GPRS, Intranet etc, and outlines any benefits and drawbacks to using the technology. 2. Draws your material together to describe how it might be integrated to offer the new services for the visitors of the university. Describe the network topology, the different way of accessing the museum web site and the technology needed for each case. 3. Draw a diagram detailing how the visitor room is set up and how the visitor connects to the IUT network. Your report should be 1200 words long. State the total number of words you have used at the end of your answer. If you use any quotations, supply a list of the references under the heading ‘References’ at the end. Under the heading ‘Bibliography’ give a list of all the sources other than course materials that you have drawn on in your answer but not quoted directly. You will be penalized if you do not do these three things. You will also be penalized if you do not keep closely within the given word count. Question 2 The International University of Technology (IUT) university with some 10000 students, has recently introduced the Course planner - a Web based course planning tool to help students plan their course of studies. The course planner is hosted on IUT’s main Web site. Data about the courses available (names, codes, prerequisites, credit points, etc) are stored in a Course Database which for the purposes of security is located behind IUT’s firewall, but is accessible from the server hosting the course planner. The course planner can be used without any restrictions from anywhere in the world through a Web browser. For a student overseas, the planner works like this: • the student logs on to the Internet from home. • he/she contacts the planner via their browser. • he/she makes their selections as instructed. • he/she fills in an interactive form where he or she enters the selected courses. • the forms is then automatically forwarded by a commercial form forwarding company (called Response-o-course) to John Glenn - the Course Advisor. • John receives the form as an email. • John evaluates the course selections. • John writes back to the student using email. 1. Draw a comprehensive diagram to show what networks, computers and other network devices, and communication protocols are involved in the eBusiness described above. Provide as much detail as you can, and label the diagram appropriately. 2. Explain the above drawing in short report of not less than 300 words. Question 5 In this module, your focus was on how humans interact with and control various forms of information technology and communication systems, and in particular, the role that speech might play in facilitating such interaction. The module has encouraged you to learn through experimentation and reflection using the CSLU Toolkit. This question provides you with an opportunity to demonstrate your understanding of each of the following: • the use of speech dialogues within an HTI context; • the use of flowcharts to document a sequential process; • the conversion of a paper design to a practical application; • the review process undertaken during the course of design activities Scenario The development of machines that are able to sustain a conversation with a human being has long been a challenging goal. The need for a dialogue component in a system for human-machine interaction arises for several reasons. Often the user does not express his requirement with a single sentence, because that would be impractical; assistance is then expected from the system, so that the interaction may naturally flow in the course of several dialogue turns. Moreover, a dialogue manager should take care of identifying, and recovering from, speech recognition and understanding errors. An automated telephone information system that speaks to the caller with a combination of fixed voice menus and real time data from databases. The caller responds by pressing digits on the telephone or speaking words or short phrases. IVR systems allow callers to get information and help 24 hours a day. IVRs are used as a front end to call centers in order to offload as many calls as possible, rather than forward them to more costly human agents. Voice response solutions can improve the speed, accuracy and reliability of service to employers and their members by automating member enrollment, hospital admissions and more. By offering flexible access to information via Web, phone, e-mail, fax and pager, IVR helps healthcare providers build better and more enduring relationships with members and their employers. ABC Technology group, has just announced the launch of their new project. The project aim is to offer voice recognition call center by connect the caller to his/her required service such as “Sales Representative”, “Product Inquiry”, “Catalogue Inquiry” and “Quotation Inquiry” to a central embedded computer system in order to be commanded via speech. This system is called Automated Call Center (ACC). The system will forward the caller inquiry to the proper department through the embedded system. In addition to that, on each command (sales Representative, product inquiry, etc) there will be a special device attached that can interpret the commands received (wired or wireless) from the central embedded system and execute them. The embedded system is able to identify the device that needs to be controlled because each microphone has a different identification number. Note that near each device there will be a box and a graphic display device to produce synthesized texts and display information received form the embedded system to the user. The embedded system can control each device as follows: • “Sales Representative” can respond to two commands: Make Appointment, Leave a Message. • “Product Inquiry” and “Quotation Inquiry” can respond to three commands: Mobile, PC, IT peripherals. • “Catalogue Inquiry” can respond to one command: Leave a Message. Imagine that you are part of this ACC initiative, and you have been given the task of designing and developing a simulation of a suitable voice recognition system using the CSLU Toolkit. Your task in this assignment is to construct a speech dialogue application that will provide the user interface to the main application programs in the ACC. At present the project roadmap is very general, we will assume that the system receive commands from the microphone, sends commands to a specific department while producing synthesized texts and displaying a corresponding message. This particular ACC has a straightforward operating mode with a voice recognition interface and will provide the following functions: • Wait until you have received a command from any microphone. • Identify the origin of the message (is it for Sales Representative, Product Inquiry, Catalogue Inquiry and Quotation Inquiry). • If you need further information such as “mobile”, “PC” or “Peripherals”, ask the caller to provide you with that information. • Issue commands to the corresponding department and inform the caller of what you have done via synthesized voice and display information. • Be able to manage any predictable errors made by the user. You have been allocated the following tasks: • Preliminary design of the overall system. • Development of a simulated interface, using the RAD application of the CSLU An evaluation of the potential of this approach. Tasks a) Draw an annotated flow chart representing the process for programming and designing the ACC. Your flowchart must indicate the various elements of the user interface speech, display and show how user errors will be handled. b) Create a working RAD simulation for the ACC. Your ‘RAD’ file (which is the file format produced by the CSLU toolkit) must be submitted with this assignment in order for your tutor to run your ACC simulation. c) Prepare a written evaluation for ACC to go with the simulation that describes: • your design, including decisions and assumptions you have made in reaching your design, • your experience of building and testing the RAD simulation, • Your assessment of the viability of such a speech interface and any issues the team will need to consider if the prototype is put into development. Your account should be between 800 – 1000 words long. At the end of your answer state the total number of words you have written for part (c). Your word count should include any headings, subheadings and tables you have used but may exclude figure captions. You will be penalized if you do not supply a word count and if you do not keep within the given limits. Question 5 You should submit following items compressed in one file • A clearly labeled flowchart of the process for setting the parameters for the AH interface. • A copy of your RAD file for the simulated interface. • Your evaluative report on the speech recognition simulation interface for the client. This is very much a design activity so you are encouraged to use the tools at your disposal. For example, although not an explicit requirement, you may find it helpful to work through each stage of the STAIR strategy to ensure that you understand the task. You might also find it helpful to use hierarchical task decomposition (HTD) diagram to help you identify the various modules of your design. Another important point for you to bear in mind is that you are not expected to arrive at the perfect design of a speech interface – if such a thing even exists. Instead you are asked to work through the design process and make a reasonable attempt to produce something for the OpenSoft. You might, for example, decide that one element might have performed more consistently if your approach had been different. Perhaps you can see an alternative way to decompose the task. There are always valuable lessons to be learnt ‘on reflection’. The target audience for your evaluation is the client, so you may assume a reasonable degree of technical literacy, but not necessarily about speech interfaces. So you will need to be careful in deciding which terms are ‘everyday’, which terms are ‘technical’ and which terms are ‘speech recognition’ specific. If you are in doubt err on the side of caution. When writing your evaluation keep the structure simple, but make sure you cover the key points. Within your evaluation try to think about the sort of information the client needs in order to proceed with the design (or not, if that is your recommendation). a) A flowchart which: • clearly indicates how the elements of the user interface are processed • shows how errors are handled • is appropriately labeled • Conforms to the requirements for flowcharts. b) Working RAD file • A RAD file that will demonstrate the simulation for the interface for the machine. c) An evaluation of the design activity • content of the evaluation • style of the report

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