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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layer (layer3) and works based on IP addresses. 2. What is the difference between an Ethernet switch and an Ethernet hub? Which is more suitable for a network with a high traffic load‚ a switch or a hub? Explain. Ethernet switch is a store-and-forward device that operates at layer2. It forwards the packets to the destination based on the MAC address‚ thus no collision occurs. On the other hand‚ Ethernet hub operate at layer 1 of the OSI‚ it sends the packet to all connected ports(i.e. if
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Network Design Project Art Meyer IT/230 Pernell Curtis 11/27/2011 Executive Summary The Tri-Corp company is need of a complete networking solution. Tri-Corp has two offices‚ one in Phoenix‚ and the other in Tucson. The main office in Phoenix is a large 4-story building with 50 workstations and 10 network printers. The Tucson office has five separate workstations and three network capable printers. The clients use Outlook exchange web server for their email communications; both offices
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Top-Down Network Design Third Edition Priscilla Oppenheimer Priscilla Oppenheimer Cisco Press 800 East 96th Street Indianapolis‚ IN 46240 ii Top-Down Network Design Top-Down Network Design‚ Third Edition Priscilla Oppenheimer Copyright© 2011 Cisco Systems‚ Inc. Published by: Cisco Press 800 East 96th Street Indianapolis‚ IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means‚ electronic or mechanical‚ including photocopying
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3. WAN VII.NETWORK TOPOLOGIES 1. STAR 2. BUS OR LINEAR 3. TREE 4. RING VIII.NETWORK DEVICES 1. MODEM 2. RJ-45 3. ETHERNET CARD 4. HUB 5. SWITCH 6. REPEATERS 7. BRIDGES 8. ROUTERS
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that require topologies that just one pathway for two points. Once the addresses have been obtained‚ they will forwarded in frames to the data link layer with the help of a method from layer 2. Layer 3 operates within the physical layer of the Ethernet. Layer 3 has the ability to perform the normal functions of a router‚ but its most common ability is its awareness to multicast IP’s with the help of IGMP snooping. With the aide of the awareness‚ switches in layer 3 will have an efficiency increase
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1A) Voice over IP (VOIP) - is a group of technologies for the distribution of voice communications sessions over the Internet. Basically telephone connection over the Internet. B) Streaming media - is audio or video content that is in a shortened form over the Internet that is played instantly. Streaming media does not require downloading as it plays instantly C) FTP (File transfer protocol) - is a standard way of gathering files between computers on the Internet over IP/TCP D) Email - also known
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Assignment 1: The Benefits of Twisted Pair Cable Due Week 4 and worth 100 points You are a recently hired consultant for a NCF‚ the Networking Consulting Firm‚ and your first consulting assignment is at Ocper‚ Inc. Upon arriving at the client‚ you learn from the president that there is no one dedicated to information technology or networking on the staff and there are 20 Windows peer-to-peer client computers all connected via coax cabling. The president also indicates that the company plans to
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LAN Switching and Wireless CCNA Exploration Labs and Study Guide Instructor’s Edition Allan Johnson Cisco Press 800 East 96th Street Indianapolis‚ Indiana 46240 USA ii LAN Switching and Wireless‚ CCNA Exploration Labs and Study Guide LAN Switching and Wireless CCNA Exploration Labs and Study Guide Instructor’s Edition Allan Johnson Copyright© 2008 Cisco Systems‚ Inc. Published by: Cisco Press 800 East 96th Street Indianapolis‚ IN 46240 USA All rights reserved. No part of this book
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X (company name)‚ the company I work for‚ has thousands of employees located in all fifty states‚ as well as other countries. There are many agent offices‚ claim offices‚ home office and three datacenters. Telecommunication systems tie all of these things together‚ making data sharing and communication possible. In this paper‚ I will provide observations of X ’s telecommunication systems. I will cover our company ’s phone network‚ datacenters connection to offices and remote access solution. X
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