Introduction to Computer Networks Spring 2013 Chapter 1 Data Communications and Networks Overview and Protocol Layers Dr. Çağrı Güngör 1 Basic Info about the Course • Course Content (tentative): — Computer networks; network architectures; protocol layers; TCP/IP; principles of Internet; wireless networks; introduction to network management‚ etc.. • Course Objectives: — Understand widely known network protocols‚ communication architectures‚ and wireless networks‚ — Learn TCP/IP and protocol
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potential countermeasures. Alexander Klimburg (Austria) Alexander Klimburg is a Fellow at the Austrian Institute for International Affairs and has acted as an advisor to government on national security issues‚ especially within Cyber Security‚ Critical Infrastructure Protection (CIP)‚ and EU Common and Foreign Security Policy (CFSP). Mr. Klimburg has partaken in international and intergovernmental discussions‚ has acted as an advisor to the Austrian delegation at the OSCE and has been a member
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Kathmandu shkhanal@gmail.com shkhanal@yahoo.com Published By: http://www.psexam.com contact: info@psexam.com Computer Networking: Short Questions and Answers Published by PS Exam Kalanki‚ Kathmandu Nepal www.psexam.com Copyright ©2009 author. No part of this publication may be reproduced‚ stored in a retrieval system or transmitted in any form or by any means‚ electronic‚ mechanical‚ photocopying‚ recording‚ scanning or otherwise except for personal and non-commercial use without the prior written
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Introduction S ocial network industry started to expand rapidly after the year 1997 where the world first social network site‚ SixDegrees.com is being introduced to the public. Afterward there were many different types of sites being introduced to public. Social network sites (SNSs) can be define as web-based services that allow individuals to construct a public or semi-public profile within a bounded system‚ articulate a list of other users with whom they share a connection‚ and view and traverse
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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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argument. Comment [T2]: This is an example of a SUB-HEADING. Subheadings help to show the structure of your essay. However‚ they should be used fairly sparingly in essay writing. Background to social networking The idea of a ‘social network’ is not new. A social network in fact refers to any structure made up of
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COMMUNICATION NETWORK Communication network are large system distributed in wide area which are designed to send and receive information from one computer to another computer and this computers are called host. Network achieves this providing a set of rules which in terms of networking are called protocols. This protocols are set for communication which every host should follow and participate. The network is made up of two types of components: Nodes and
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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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social networking opens up different opportunities in which you will be satisfied. Meanwhile‚ being a part of a social networking site has many disadvantages. Some of those disadvantages can be risk of fraud or identity theft‚ cyberbullying‚ and it can be such a waste of time. Besides the advantages and disadvantages of social media‚ many individuals have an account for at least one social network. To those individuals‚ social media can be a safe place to explore other connections or have ones identity
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Role of Internal Audit Function Nano Circuits Inc‚ is a publicly traded company that produces electronic control circuits‚ which are used in many products. In an effort to comply with SOX‚ Nano is in the process of establishing an in-house internal audit function‚ which previously had been outsourced. The company began this process by hiring a Director of Internal Audits. Nano Circuits’ CEO recently called a planning meeting to discuss the roles of key corporate participants regarding the implementation
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