THE LAYERS Some of the layers use equipment to support the identified functions. Hub related activity is “Layer One”. The naming of some devices designates the functional layer such as “Layer Two Switch” or “Layer Three Switch”. Router functions focus on “Layer Three”. User workstations and servers are often identified with “Layer Seven”. HUB Hub is a hardware device that contains multiple‚ independent ports that match the cable type of the network. Most common hubs interconnect Category
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Money is the Most Important Thing in Life Everything in modern society is based on money. As the saying goes‚ money makes the world go around. Parents object to their daughters’ marriages unless their future sons-in-laws have jobs with good prospects. Many young people marry for money rather than love. Security is more important than happiness. Some people in Shanghai would even trade their self-esteem for money. Materialism influences education‚ too. Students acquire knowledge
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Build a Computer Network Table of Contents Build a computer Network ……………………………………………………….. 1 What is a computer…….……………………………………………………………. 2 (b) What are the main types of computers used in a Network? … 2 What is a Network…………………………….…………………………………… 3 What hardware and software is found in a computer network……….. 4-9 Conclusion ……………………………………………………………………………. 10 Basic information on students assigned to do this project……………… 11 Build a Computer Network What
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“Critics often argue that the use of computers is reducing levels of literacy.” Can you imagine life without computers? They are surely a great invention of all times. Along the years‚ it has proved to be an excellent helping hand in most activities. Yet‚ have the changes they brought about really been for the better? To begin with‚ the benefits of computers cannot be denied. On the one hand‚ they save valuable time and space. Time consuming tasks‚ such as checking bank accounts‚ can now be done
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10/18/13 What are the uses of computers in defence GO Ask us anything ANTI-VIRUS SOFTWARE AUDIO EDITING AND RECORDING CLOUD COMPUTING Sign In | Sign Up MORE Answers.com > Wiki Answers > Categories > Technology > Software and Applications (non-game) > What are the uses of computers in defence? What are the uses of computers in defence? See what questions your friends are asking today. Legacy account member? Sign in. Categories Anti-Virus Software Audio Editing
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What are the most precious thing in life that we should care about Childhood is the happiest time of a person’s life. When a child is born‚ a new life starts. By passing the years he/she develops the skills‚ learn from the experience and starts to explore the life as it is. Children are taken as innocent human beings. Some people remember their childhood as happy one‚ others may disagree. In this century we can hear many sad stories about the life of a child. For example‚ some parents don’t
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Should Trophies Be for Everyone? I have been playing tennis since the 7th grade. Every year after year has been challenging for me and for my friends who also play tennis with me on the courts. The basic rule of the awards was if you were Varsity‚ you got a letter‚ pin‚ whatever if it wasn’t a piece of paper. However‚ if you were on Junior Varsity (JV)‚ you got a participation award‚ a sheet of paper that would most of the time say “Congratulations‚ Thanks for Your Participation” or something
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COMPUTER COMMUNICATION NETWORKS Objectives • • • • • What is telecommunication History of telecommunication Role of telecommunication in Organizations Interpersonal communication applications Computer networks What is telecommunication? “Transmission of data or audible/visible information by electrical/electronic means” e.g. telephone‚ telegraph‚ radio‚ television‚ computer networks (Internet) Basic elements 1. Transmitter : takes information and converts it to a signal 2. Transmission
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CNT5106C Computer Networks‚ Summer 2010 Instructor: Prof. Ahmed Helmy Homework #1 On the Internet Architecture‚ Elementary Queuing Theory and Application Layer I. Internet and layered protocol architecture: Q1. (5 points) In the layered protocol architecture the transport layer functionality includes congestion control and error recovery (e.g.‚ retransmission). One suggested that this functionality should be done strictly at the end points (i.e.‚ at the hosts) without aid from the network. Do you
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UNIVERSITY OF COMPUTER & EMERGING SCIENCE Computer Network Lab ( CS-314) Lab Session 01 Lab Instructor: Shahbaz Siddiqui‚ Shoiab Raza Week 1 Network Command TASK: Use the appropriate networking commands to solve these networking problems. 1. Find the IP address of the computer you are currently using. Command: ________________________________________________________ IP address: ________________________________________________________ 2. Find the IP address of the computer you are currently
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