Final Exam of Computer Networks (ICE 1230) 2008.5. 27. Answer in English and Total 15 points 1. Why is it said that packet switching employs statistical multiplexing? Contrast statistical multiplexing with the multiplexing that takes place in TDM. (1 point) Answer: In a packet switched network‚ the packets from different sources flowing on a link do not follow any fixed‚ pre-defined pattern. In TDM circuit switching‚ each host gets the same slot in a revolving TDM frame. 2. In BitTorrent
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Online Health Social Network Introduction: The growth of social networking in the Internet has been phenomenal. According to a new eMarketer report‚ nearly one in four people worldwide will use social networks in 2013. This new wave of social networks is expanding to discussions on healthcare and health risk decision making. Social media could be used effectively in reducing the inequalities through the access of health information. Thus‚ social media‚ being a platform upon which to share personal
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1. Depict a network topology graphical model of the initial environment of 10 employees. [pic] 2. Depict a network topology graphical model of the current 100 employees. [pic] 3. Depict a network topology graphical model for future growth to 200 employees. [pic] 4. Create a two-paragraph executive summary The business IT network infrastructure must be upgraded to accommodate the current and future growth of the company. The initial company network infrastructure
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match the cable type of the network. Most common hubs interconnect Category 3 or 5 twisted-pair cable with RJ-45 ends‚ although Coax BNC and Fiber Optic BNC hubs also exist. Ethernet Hubs An Ethernet hub is also called a multiport repeater. A repeater is a device that amplifies a signal as it passes through it‚ to counteract the effects of attenuation. Multistation Access Unit A Multistation Access Unit (MAU) is a special type of hub used for token ring networks. Switches Switches are
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COMMUNICATION AND COMPUTER NETWORK 4.1 INTRODUCTION Today computer is available in many offices and homes and therefore there is a need to share data and programs among various computers with the advancement of data communication facilities. The communication between computers has increased and it thus it has extended the power of computer beyond the computer room. Now a user sitting at one place can communicate computers of any remote sites through communication channel. The aim of this chapter
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Computer Network Specialist Abdool Samad GLC2O0-B Mr. Shin Nov. 6th ‚ 2013 The reason I have chosen a Computer Network Specialists is because I love computers of what they do and what they are capable of doing and how it has helped the humans thrive and succeed in ways other species can’t. Computer Network Specialists develop‚ install‚ and maintain the networks that connect computers to each other. Their duties are to set-up computers and install
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Social Network Analysis(SNA): An innovative managerial tool for success. Md.Tariq Hassan The information revolution has given birth to new economies structured around flows of data‚ information‚ and knowledge. In parallel‚ social networks have grown stronger as forms of organization of human activity. Social networks are nodes of individuals‚ groups‚ organizations‚ and related systems that tie in one or more types of interdependencies: these include shared values‚ visions‚ and ideas; social contacts;
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4G Wireless Network 4G Wireless Networks: Opportunities and Challenges ABSTRACT Abstract With the major wireless service providers planning to start deployment of 4G wireless networks by mid 2010‚ research and industry communities are racing against time to find solutions for some of the prominent still open issues in 4G networks. The growing interest in 4G networks is driven by the set of new services will be made available for the first time such as accessing the Internet
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COMPUTER NETWORKS: A computer networks is a communication system connecting two or more computers that work together to exchange information & share resources. A network may consist of microcomputers or it may integrate microcomputers or other devices with large computer. Networks can be controlled by all nodes co-ordinarily & supply all resource. These networks differ in geographical size. There are three important types of networks. 1. Local Area Network 2. Metropolitan Area Network 3. Wide
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Network Design Models IT190-1204A-01 Introduction to IT Individual Project Elaine Thornton October 29‚ 2012 Computer networks consist of communications‚ media‚ devices‚ and software need to connect two or more computer systems or devices. Networks are able to transmit and receive information to improve organizational effectiveness and efficiency. Assuming our company is not peer to peer networking; our company seems to be a server based network side. With a server based network all accounts
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