domains of IT within the organization. USER DOMAIN: sharing passwords. Not protecting your computer properly or sharing access with other individuals will allow threats from a user end. Workstation Domain: if computer has not been updated with latest upgrades‚ patches or antivirus. LAN domain: network has not secured with appropriate access controls‚ hubs must be upgraded with switches. And have limited access to switches or network controls. LAN-WAN Domain: if users are allowed to visit malicious
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The Universal Seven-Part Circuit of Data Communications System Seven-Part Circuit of Data Communications System - A universally accepted standard designed to send data from a source to a remote destination. The Universal Seven-Part Circuit of Data Communications System 1. The Data Terminal Equipment (DTE) at point A. 2. The interface between the DTE and the Data Circuit-Terminating Equipment (DCE or often called Data Communications Equipment) at point A. 3. The DCE at point A. 4. The transmission
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TRƯỜNG ĐẠI HỌC NGOẠI THƯƠNG – CƠ SỞ II TẠI TP. HỒ CHÍ MINH. 1. Đặt vấn đề Thực chất của việc dạy/học một ngoại ngữ là dạy/học các kiến thức ngôn ngữ và đặc biệt là các kĩ năng thực hành giao tiếp (nghe‚ nói‚ đọc‚ viết) để người học có thể sử dụng ngoại ngữ như một phương tiện giao tiếp nói hoặc viết theo nhu cầu cá nhân‚ xã hội-nghề nghiệp. Các kĩ năng thực hành có mối liên hệ khăng khít‚ hỗ trợ‚ bổ sung lẫn nhau. Để thực hành tốt một ngoại ngữ‚ không thể chỉ chú trọng kĩ năng này mà coi nhẹ
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Nevyn Duarte 1. D 2. D 3. C 4. C 5. D 6. D 7. A 8. A 9. D 10. E 11. A 12. E 13. B 14. C 15. E 2. It connects people‚ supplies software‚ and gives information about hardware. 3. LANs connect different computers (hardware) within a limited area (usually one building)‚ supplies software to each of these computers‚ and connects the users that use these computers. 4. WANs connect different buildings and companies’ computers to each other (hardware)‚ shares information using common software‚ and also
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constant‚ ever-changing source of information and entertainment. New headlines are updated by the minute‚ not just daily. You can connect with literally hundreds of people on social networking sites like MySpace‚ Facebook or twitter. Email‚ online chat‚ and message board allow both public and anonymous communication‚ about almost any topic imaginable‚ down to smallest detail. Internet Cafe‚ often called Cyber Cafe‚ is a place that offers customers hi-speed internet access‚ other computer services
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the world‚ wireless systems are improving the rate and ease with which data is sent and received. Two specific examples of the wireless technology used today personally and professionally are local area networks (LAN) and personal area networks (PAN). A wireless local area network‚ or LAN is a flexible data communications system implemented as an augmentation to‚ or an alternative for a‚ wired local area network. These networks rely on electromagnetic airwaves to transmit and receive over a defined
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| | IT Infrastructure For an Educational Institution | | AjithSundaram. B.Tech‚ MBA‚ MS (UK)‚ MSc ( Psychology) ‚ (PhD) Asst Professor RVS Institute of Management Studies Kannampalayam‚ Coimbatore - 641 402
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mmTASK 1 a) Explain the following types of data communication networks and their applications * Public switched telephone network (PSTN) * Local area networks (LANs) * Metropolitan area networks (MANs) * Wide area networks (WANs) * Packet switched data network (PSDN)‚ * Integrated services digital network (ISDN) Public switched telephone network (PSTN) Public Switched telephone network (PSTN) is the global collection of interconnects originally designed to
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and web usage. Without both networking hardware and software total security cannot exist. A Land Are Network (LAN) is a network that connects a group of computers that are within distance of each other to the same network. LAN’s are very useful when it comes to printer sharing and sending and receiving files between all the systems within the facility that share that one network. A LAN is connected by using Ethernet cables‚ adapters‚ and hubs. Its counterpart is the WAN or Wide Area Network a WAN
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Online Gaming It ’s highly likely you ’ve played a game before on a computer or a console‚ against the artificial intelligence of the computer as your only obstacle. And while gaming this way is still (as it has been for a very long time) very popular‚ your broadband connection gives you instant access to a whole new world of gaming... If you fancy developing and testing your gaming techniques against 1000 ’s of REAL people‚ then online gaming is the way forward. You ’ll find loads of popular
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