ABSTRACT : This paper describes the basic threats to the network security and the basic issues of interest for designing a secure network. it describes the important aspects of network security. A secure network is one which is free of unauthorized entries and hackers INTRODUCTION Over the past few years‚ Internet-enabled business‚ or e-business‚ has drastically improved efficiency and revenue growth. E-business applications such as e-commerce‚ supply-chain management‚ and remote
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TYPES OF COMPUTER NETWORKS Maninder Kaur professormaninder@gmail.com What is Network? • A network consists of two or more computers that are linked in order to share resources (such as printers and CDs)‚ exchange files‚ or allow electronic communications. • The computers on a network may be linked through cables‚ telephone lines‚ radio waves‚ satellites‚ or infrared light beams. Different Types of Networks • Depending upon the geographical area covered by a network‚ it is classified as: – Local
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that connects a group of computers (’nodes’ in network terminology) to a token ring local area network. Networking Devices ... Bridges - used to join two network segments together‚ it allows computers on either segment to access resources on the other - can also be used to divide large networks into smaller segments Networking Devices ... Routers - networking devices used to extend or segment networks by forwarding packets from one logical network to another - most often used in large internetworks
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AUGUST 2007‚FIRST DRAFT Services provisions in regional trade agreements: stumbling or building blocks for multilateral liberalization? Carsten Fink World Bank Marion Jansen* WTO Paper presented at the Conference on Multilateralising Regionalism Sponsored and organized by WTO - HEI Co-organized by the Centre for Economic Policy Research (CEPR) 10-12 September 2007 Geneva‚ Switzerland The views expressed in this paper are the authors’ own and cannot be attributed to the World Bank‚ the WTO
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North Africa is a very interesting place. It has many beautiful landforms‚ such as the Sahara Desert‚ The Nile River‚ and a lot more. There are also amazing cities in North Africa‚ which include Cairo‚ Tripoli‚ Casablanca‚ and many others. Also‚ there are a lot of major conflicts going on right now. The history of North Africa is very fascinating. North Africa’s area in general could affect us‚ (The citizens of the US) in good and bad ways. North Africa is known for its beautiful landforms and
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Executive SummaryThe objective at hand was to build a network from the ground up. This was accomplished by breaking down all of the sections and building upon all previous assignments. This was a good course as I learned a lot about all of the different sections of building a network. The pros are now I know how to build a network on the design side from the ground up. I learned quite a bit about using a lot of the technologies associated with networking and it allowed me to learn quite a few new
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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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Transmission Media Explain Radio Wave. What is Microwave? List the Advantages of microwaves. What are the Disadvantages of Microwaves? Describe Infra Red. Computer Network What is a computer network? What are the advantages of Networking? Explain Network Services 8 9 9 10 11 11 11 12 12 12 13 What are the five major network services? What is Network Server? What is a client? What is a
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Addressing Malnutrition In South Africa. Gary Klugman South Africa is getting set to embark on a visionary National Food Fortification Program to address nutrient deficiencies. Scientists however‚ are beginning to question whether the program will actually achieve its objective of redressing nutrient deficiencies in children. Gary Klugman takes a look at the chemistry of the proposed national food fortification program and the anticipated efficaciousness. Get the facts and enter the debate. A
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Business in Africa To identify the right business that is currently operating in Africa‚ we used a 2 step process. In step 1‚ we analysed current businesses of TATA in Africa based on Profitability and Growth. We identified TATA steel and TATA power to be profitable and growing sectors. We further analysed these business with the help of ‘PORTER’S DIAMOND FRAMEWORK’ which includes 4 Factors to determine the productivity of a nation. We chose TATA power over TATA Steel as the conditions in Africa is much
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