computer network Connects three office computers and one computer used for Point-of-Sale (POS) services at each of your stores. You also want six (6) computers in the lobby/store where patrons can download music and you can run “training classes” for people to learn about using MP3 players and get other basic information. The two offices have to be connected into one cohesive network‚ sharing POS services and other critical company information. You also need to provide a “hand out” casual
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Computer Networks Does anyone really know what networking is? “In the world of computers‚ networking is the practice of linking two or more computing devices together for the purpose of sharing data” (Networking Fundamentals). Now this is a great explanation but does this really help us understand? Networking has grown over many years. Where did networking come from? Lets go back to the beginning and find out how far we have come. Network research can be traced back to around the 1960’s.
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University Department of Computer Engineering CMPE 2204 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
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- Suresh Khanal Computer Networking Short Questions and Answer www.psexam.com Computer Networking Short Questions and Answers Suresh Khanal Kalanki‚ 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
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Computer Networks NETWORKING CONCEPTS Network A network is basically an interconnection of various points to make a connected system e.g Road‚ Telephone‚ Social Data Network A computer network therefore refers to an interconnection of computers and other peripherals by use of a communication link Peer to Peer Networks In a peer-to-peer network‚ all computers are considered equal; they all have the same abilities to use the resources available on the network. Peer-to-peer networks are designed
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NETWORK Computer Network also called Network is a group of computers and other devices connected to each other to share resources electronically. Networks can be as small as two computers or many thousand computers that are connected to one another. These computers are usually connected to one another through wires‚ satellite‚ and modems. Each device connected to the network is called a “node”‚ and the computer that is connected to the network is called a workstation. There are several ways
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The proposed network is designed to serve The Banana Tree Travel Agency and remote site office. The proposed office located in Cairo‚ Egypt will have two employees to better serve their international customers. The second site will have a 12 port patch panel‚ a 12 port Cisco switch‚ a Cisco router‚ and a Cisco ASA. The building adjacent to the main office‚ which is part of the same domain/network‚ will house 10 to 15 more travel agents. I will set up a file server so all users can have access to
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BUYUKHAN COMPUTER NETWORKS NETWORK TELEPHONY –VOICE OVER INTERNET PROTOCOL(VoIP) VoIP is a set of technologies that enable voice calls to be carried over the internet (or other networks designed for data)‚ rather than the traditional telephone landline system-the Public Switched Telephone Networks(PSTN). VoIP uses IP protocols‚ originally designed for the internet‚ to break voice calls up into digital ‘packets’. In order for a call to take place the separate packets travel over an IP network and
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years the internet crime industry has changed very dramatically. Think back almost twenty years ago‚ computers were just beginning to make their marks in the professional world. However‚ big companies were the main individuals with computers‚ mainly because they weren’t that popular in homes. Nowadays‚ computers can be found anywhere. They are so convenient and you can do almost anything from a computer‚ pay a bill‚ shop‚ order food‚ even banking. The convenience has even been extended to a cell phone
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Bit Rate and Baud Rate Identify Noise Sources 2.1.1 Introduction A simplified model of a data communication system is shown in Fig. 2.1.1. Here there are five basic components: • Source: Source is where the data is originated. Typically it is a computer‚ but it can be any other electronic equipment such as telephone handset‚ video camera‚ etc‚ which can generate data for transmission to some destination. The data to be sent is represented by x(t). COMMUNICATION MEDIUM Figure 2.1.1 Simplified
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