in 2004 by a Harvard sophomore‚ has already had more than 800 million active users by July 2011. (Giles‚ 2011) Like other sites‚ users must register with e-mail address before using the site. And once a user has logged in‚ he/she can join a school network‚ search for friends and view other users... ... middle of paper ... ...sed to think and behave‚ which is beneficial in daily life. These same sites‚ however‚ I argue that‚ also present a danger to people’s expected future development and
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COMPUTER NETWORKS 4TH MARCH 2012 Examination Paper Answer ALL questions. Clearly cross out surplus answers. Time: 2 hours Any reference material brought into the examination room must be handed to the invigilator before the start of the examination. ANSWER ALL QUESTIONS Marks QUESTION 1 a) State FOUR (4) principles underpinning the Open Systems Interconnection (OSI) Reference Model. b) Describe the purpose of the physical layer of the OSI Reference Model. c) State THREE (3) elements
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LANs: Local Area Networks Local Area Networks also called LANs have been a major player in industrialization of computers. In the past 20 or so years the worlds industry has be invaded with new computer technology. It has made such an impact on the way we do business that it has become essential with an ever-growing need for improvement. LANs give an employer the ability to share information between computers with a simple relatively inexpensive system of network cards and software. It also
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networking site Facebook on today’s society. Facebook has become a phenomenon for the social networking set‚ and what makes that so amazing is that Facebook did not even exist until 2004. Three college students created it to allow other students to network and meet each other‚ and it has caught on with young people around the globe. What impact does Facebook have on today’s technologically advanced society? It allows people who probably never would have met each other in person to communicate‚ it creates
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In today’s society‚ billions of people across the world are accessing the internet multiple times a day. Why wouldn’t they? Many people have the internet on their smart phones‚ and at the touch of a button can check their email‚ their Facebook‚ their bank account balance‚ movie times‚ you name it. One of these things‚ however‚ usually consumes more of the user’s time than the others. Yes‚ you guessed it: Facebook. Any social networking site or application‚ actually‚ whether it be Facebook‚ Twitter
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disadvantages of both a cellular network and landline network in an enterprise environment. Both offer great advantages and both have their disadvantages. However‚ most organizations use both due to the fast paced‚ technologically advanced society we live in today. As stated above‚ most companies use both landlines and cellular networks. The reason for this is because of the flexibility this configuration offers. They get the reliability of the landline network and the mobility and functionality
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2011 JWD Network Upgrade Project Manager: Joseph H. Schuessler‚ Ph.D. Telecommunication for Managers December 5‚ 2011 Project Team: Group 3 Rosalie Murphy Jonathan Kisor Marcus Wilson Juan Hernandez 1 About the Authors Rosalie Murphy is a graduate from the University of Cebu in the Philippines with a Bachelor of Science in Information Technology. I am currently enrolled at Tarleton State University and should graduate in May of 2012 with a Master’s of Science in Computer and Information
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Faculty of Engineering Department of Electrical Engineering Undergraduate project Dual Band Mobile Jammer for GSM 900 & GSM 1800 Done by: Ahmed Sudqi Hussein Abdul-Rahman Ahmad Nasr Raja Mohammad Supervised by: Prof. Nihad Dib 1 Table of contents Abstract ………….…...............................................................................................3 1. Introduction ………….................................................................…........................4 2. Jamming Techniques
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THE UNIVERSITY OF RWANDA NETWORK DESIGN PROJECT PROPOSAL BY: NSABIMANA JEAN CLAUDE REG. NUMBER: 11111128 SUPERVISOR: DR TWIZERE CELESTIN INTRODUCTION o Network is the interconnection of devices such that they can communicate one another‚ The university network is designed to link campus so that they have one Data center( ICT Center). o This network will link six campuses in star topology and in each campus there will be another kind of topology because of the structure of the
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TABLE OF CONTENT 1. Introduction 5 2. Business Goals and Technical Goals 6 2.1. Business Goals 6 2.2. Technical Goals 7 3. Organization Unit 8 4. Design Concept 9 4.1. Hierarchical Network Design 9 4.2. Enterprise Network Design 11 5. Local Area Network (LAN) and Wide Area Network (WAN) 12 6. Server Farm 14 7. Topology 16 7.1. Types of Topology 16 7.1.1. Bus Topology 16 7.1.2. Ring Topology 17 7.1.3. Mesh Topology 17 7.1.4. Star Topology 18 7.2. Physical
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