Cryptographic Authentication for Real-Time Network Protocols1‚2 David L. Mills3 Abstract This paper describes a new security model and authentication scheme for distributed‚ real-time network protocols used in time synchronization and event scheduling applications. It outlines the design requirements of these protocols and why these requirements cannot be met using conventional cryptography and algorithms. It proposes a new design called autokey‚ which uses a combination of public-key cryptography
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10‚ 2014 Scrolling through social network on my phone had been my daily routine since my parents bought me a new phone to replace my old nostalgic Nokia phone. Since then me and my phone are inseparable. Just in luck for today because my lecturer asked each one of us to write a journal about social network. A lot of human behaviour or attitude can be observed through these social network. The first and by far the most important social network for me is Whatsapp. I’ll have a peek through
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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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Intro: Surface Area and Volume Multiple Choice Identify the choice that best completes the statement or answers the question. Find the surface area of the space figure represented by the net. ____ 1. 12 in. 4 in. 6 in. 4 in. 4 in. 6 in. a. 288 in.2 ____ 2. b. 144 in.2 c. 240 in.2 d. 288 in.2 5 cm 5 cm 7 cm 8 cm 4 cm ____ a. 124 cm2 b. 110 cm2 c. 150 cm2 d. 164 cm2 3. Find the surface area of the cylinder. Use a calculator. Round to the nearest tenth. 4m 3m a
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When troubleshooting a computer network‚ it is very important that we look at every small detail in that network. One small mistake like a mistyped number can make all the difference in the way a network performs. In the case of the diagram E-1‚ there are many problems like this that can cause the network to not perform the way it is supposed to. Some of these problems include the IP addresses‚ subnet masks‚ and default gateways in this network. All of these things need to be correct and working
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they attempt to adjust to it. Cognitive ability‚ in Piaget’s theory‚ advances in stages. * Stages of Cognitive Development 1. Sensorimotor stage (birth to two years old) –most of the activities as associated with learning to coordinate body movements with information obtained from the senses…Only gradually do children come to realize that they are an object separate from other things…One of the most significant developments during this stage is the development of a sense of “object permanence”
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NETWORK TOPOLOGIES PRESENTED BY Alex Daniel Manjula Sanjana NandaKumar Sher Mohammed Babul Sriram Vamsi Vinodhini © 2013 Maveric Systems Limited WHAT IS A TOPOLOGY ? © 2013 Maveric Systems Limited WHAT IS A TOPOLOGY ? ▸ In computer networking‚ topology refers to the layout of connected devices. ▸ Network topologies describe the ways in which the elements of a network are mapped. They describe the physical and logical arrangement of the network nodes. ▸ Topology can also be defined as the
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for my master in Network administration. A network administrator is a person responsible for the maintenance of computer hardware and software that comprises a computer network. This normally includes deploying‚ configuring‚ maintaining and monitoring active network equipment. A related role is that of the network specialist‚ or network analyst‚ who concentrates on network design and security. The network administrator (or "network admin") is usually the level of technical/network staff in an organization
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Qarran Alamrei 201008179 Col240 Section 3 Social networking is all about the new generation. Nowadays‚ children and adults love to spend their time on Internet websites that connect them with each other‚ and these websites was called social networks. “Any Web locale that permits communal contact is believed a communal mass media locale‚ encompassing communal networking locations such as Facebook‚ MySpace‚ and Twitter”( Schurgin.G‚ Clarke.K). These websites take a long time from humans’ lives
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An Introduction to Neural Networks Vincent Cheung Kevin Cannons Signal & Data Compression Laboratory Electrical & Computer Engineering University of Manitoba Winnipeg‚ Manitoba‚ Canada Advisor: Dr. W. Kinsner May 27‚ 2002 Neural Networks Outline ● Fundamentals ● Classes ● Design and Verification ● Results and Discussion ● Conclusion Cheung/Cannons 1 Classes Fundamentals Neural Networks What Are Artificial Neural Networks? ● An extremely simplified model of
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