specifications‚ communications protocols‚ procedures‚ and events. Today‚ it is the official publication channel for the Internet Engineering Task Force (IETF)‚ the Internet Architecture Board (IAB)‚ and — to some extent — the global community of computer network researchers in general. A new model was proposed in 2008‚ refined‚ and published in August 2009‚ splitting the task into several roles‚ including the RFC Series Advisory Group (RSAG). (The model was updated in 2012. The RFC series contains three
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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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IEEE TRANSACTIONSN ON DEPENDABLE AND SECURE COMPUTING VOL:10 NO:4 YEAR 2013 1 NICE: Network Intrusion Detection and Countermeasure Selection in Virtual Network Systems Chun-Jen Chung‚ Student Member‚ IEEE‚ Pankaj Khatkar‚ Student Member‚ IEEE‚ Tianyi Xing‚ Jeongkeun Lee‚ Member‚ IEEE‚ and Dijiang Huang Senior Member‚ IEEE Abstract—Cloud security is one of most important issues that has attracted a lot of research and development effort in past few years. Particularly‚ attackers can explore
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and focal point are principles of art that draw attention to specific locations in a work. Emphasis is the principle by which an artist draws attention to particular content. A focal point is a specific place of visual emphasis in a work of art or design. Most works of art have at least one area of emphasis and multiple focal points. Those few artworks that do not have areas of emphasis or focal points usually have little or no variation. An artist can emphasize focal points through the use of line
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Manuel Castells Materials for an explorator y theory of the network society1 ABSTRACT This article aims at proposing some elements for a grounded theor y of the network society. The network society is the social structure characteristic of the Information Age‚ as tentatively identi ed by empirical‚ cross-cultural investigation. It permeates most societies in the world‚ in various cultural and institutional manifestations‚ as the industrial society characterized the social structure of
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Name: _________________________ The Perks of Being a Wallflower by Stephen Chbosky Reading/Presentation Schedule Directions: You will be assigned reading each night. For each date of reading‚ there will be 2-3 student presenters whose responsibility it is to know their assigned reading extremely well. As a presenter‚ you will be responsible for leading the discussion for your section for 10 minutes. (That does not mean you are talking for 10 minutes‚ but that you are asking questions and
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collecting and recording patient data‚ these weaknesses could impede the continuity and quality of care. Allow for all medical offices to send‚ receive‚ and share data & resources throughout the network Upgrade all hardware/software to ensure network operability Allow scalability for growth of and on the network Merge all five medical offices without slowing down current service at any location Provide physical security in addition to complying with the current HIPPA laws Allow for a redundant connection
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Sensor Network Using Public Key Cryptography and Hashing (Simulation & Algorithm) Syed Osama Meraj Department of Computer Science Mohammad Ali Jinnah University dreamzunlimited81@hotmail.com Sir. Rizwan ur Rashid Mohammad Ali Jinnah University rizwan@jinnah.edu 1.Abstract: The need for security in WSNs is unavoidable. Applications such as military‚ medical care‚ structural monitoring‚ and surveillance systems require information security in the network. As current
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Topic 2: Understanding Network Protocols I. What is a network? A computer network‚ or simply a network‚ is a collection of computers and other hardware interconnected by communication channels that allow sharing of resources and information. LAN - Connects devices within a single office or home or among buildings in an office park. The key aspect here is that LAN is owned entirely by a single organization. - In simplest conception‚ it consists of
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among the offices‚ all the computers should be able to view and update the data from any of the three offices. In other words‚ the data storage server within each LAN should be accessible to all computers‚ no matter where they are located. Draw a network diagram that will support this configuration. 3. A small start-up company has a Web-based customer sales system that is written by using PHP and JavaScript. The company is deciding whether to host the system on its own servers‚ contract with a
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