Virtual Private Networks Abstract With the increasing popularity of the Internet‚ new technologies have introduced to provide secure access to the resources from remote clients. Virtual Private Networks are becoming the most universal method for remote access. They enable service provider to take advantage of the power of Internet by providing a private tunnel through the public cloud to realize cost savings and productivity enhancements from remote access applications
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Diet Coke and Mentos: What is really behind this physical reaction? Tonya Coffey *Published in the American Journal of Physics‚ June 2008 In case you hadn’t heard… Diet Coke and Mentos is a major fad! Subject of countless YouTube videos 1st shown on the Letterman show in 1999 by chemistry teacher Lee Marek Subject of a 2006 episode of Mythbusters Why on earth do I care so much about Mentos? Originally to give my PHY2210 students the experience of participating in a real research
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Programme: BSc Information Systems Case Study: Network Design for China Steel Ltd Table of Contents Introduction 3 Network Diagrams 3 Inter-Site Connections (WANS) 3 Leased Line 4 Circuit Switching 4 ISDN 4 Packet Switching 5 MPLS 5 VPN (Remote Access) 6 Inner-Site Connections (LANS) 6 Physical & Data Link Protocols 6 LAN Hardware Requirements 7 Layer 3 Protocols 8 IPv4 & IPv6 8
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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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T. EE1 - 1/ES1 - 1 Networking Devices ... Hub - commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port‚ it is copied to the other ports so that all segments of the LAN can see all packets. Networking Devices ... Multistation Access Unit (MAU) - a hub or concentrator 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
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WHAT ARE THE CHARACTERISTICS OF A GOOD MANAGER? The first words that come to mind when thinking about management are “plan‚ organize‚ coordinate and control” (Mintzberg 1989‚ p.9) as Henry Fayol first laid them down in 1916. These are the four things that a manager is supposed to do. In my opinion‚ they tend to generalize and describe vaguely a manager’s job. In spite of this fact‚ there are a number of characteristics that can be depicted from them. The qualities of a good manager should concern
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CHINESE ARCHITECTURE Ancient Chinese architecture is an important component of the world architectural system. Through the years it formed into a style that combined stone carving‚ rammed earth construction‚ bucket arch buildings and many other techniques. Chinese laboring people created many architectural miracles like the Great Wall‚ the Forbidden City and the mausoleum of the First Qin Emperor. The most significant characteristic Is the use of timber framework. Painting and carving were
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Music is an arrangement of sounds identified by the human ear‚ however not all sounds identified by the human ear are treated as music. Music is a reflection of many different revolutionary movements. Music can also be based on historical or personal events. For example‚ economic and social changes caused by World War II had an effect on Blues and Country Music. Hip Hop musician Davey D stated‚ “Keep in mind when brothas start flexing the verbal skillz‚ it always reflects whats going on politically
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Bus Topology Bus networks (not to be confused with the system bus of a computer) use a common backbone to connect all devices. A single cable‚ the backbone functions as a shared communication medium that devices attach or tap into with an interface connector. A device wanting to communicate with another device on the network sends a broadcast message onto the wire that all other devices see‚ but only the intended recipient actually accepts and processes the message. Ethernet bus topologies are
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The word ‘large’ is a very arbitrary term‚ defined generally as ‘of considerable or relatively great size‚ extent‚ or capacity’. I grew up on a very large farm in the presence of a large variety of animals. Madras was large in all the ways a horse can be: in literal size yes‚ but also in passion‚ personality‚ skill‚ and heart. He was beautiful. However‚ he was also the kind of large that makes an awful deafening boom when he hits the ground. The kind of large in the sense of volume when girls scream
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