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Computer Networking for Educators

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Computer Networking for Educators DOCUMENT RESUME ED 417 713 IR 018 780 AUTHOR McCain, Ted D. E.; Ekelund, Mark TITLE Computer Networking for Educators. Second Edition. INSTITUTION International Society for Technology in Education, Eugene, OR ISBN ISBN-1-56484-107-3 PUB DATE 1996-00-00 NOTE 215p. AVAILABLE FROM International Society for Technology in Education, Customer Service Office, 480 Charnelton Street, Eugene, OR 97401-2626; phone: 800-336-5191; World Wide Web: http://isteonline.uoregon.edu PUB TYPE Books (010) Guides Non-Classroom (055) EDRS PRICE MF01/PC09 Plus Postage. DESCRIPTORS *Computer Networks; *Computer Uses in Education; Educational Administration; Educational Planning; *Educational Technology; Elementary Secondary Education; Information Networks; Strategic Planning IDENTIFIERS Apple Macintosh; *Connectivity; IBM PC Compatibles; Technology Integration; *Technology Plans ABSTRACT This book introduces the basic concepts of connecting computers together and provides technical background necessary for constructing small networks. For those already experienced with creating and maintaining computer networks, the book is intended to encourage the creation of a school-wide network. The book is divided into two main sections: an introduction to networking in schools (6 chapters) and an introduction to the technical side of networking (10 chapters). The chapter headings are as follows: (1) "How Can Networking Enhance the Use of Computers?";(2) "Advanced Networking Concepts"; (3) "Why Network Classroom Computers?"; (4) "Why Network Computers for Administration?"; (5) "Why Consider School-Wide Networking?"; (6) "How To Plan a School-Wide Network"; (7) "Technical Details for both IBM-compatible and Macintosh Computers"; (8) "Technical Issues in IBM-compatible Networking"; (9) "Simple Network Examples for IBM-compatible Computers"; (10) "Complex Network Examples for IBM-compatible Computers"; (11) "Technical Issues in Macintosh Networking"; (12) "Simple Network Examples for Macintosh Computers"; (13)"Complex Network Examples for Macintosh Computers"; (14) "A Complex Network Example Using IBM-compatible and Macintosh Computers"; (15) "Networking Apple II Computers"; and (16)"The Never-Ending Chapter". A glossary of terms is included. (AEF) ******************************************************************************** Reproductions supplied by EDRS are the best that can be made from the original document. ******************************************************************************** Publications Computer networking for educators Second edition Ted D.E. McCain & Mark Eke lund t -4. 4 `L P , yY we "PERMISSION TO REPRODUCE THIS MATERIAL HAS BEEN GRANTED BY Maia S. Howes TO THE EDUCATIONAL RESOURCES INFORMATION CENTER (ERIC)." U S DEPARTMENT OF EDUCATION Office of Educational Research and Improvement EDUCATIONAL RESOURCES INFORMATION CENTER (ERIC) This document has been reproduced as received from the person or organization originating it Minor changes have been made to improve reproduction quality Points of view or opinions stated in this BEST COPY AVAILABLE document do not necessarily represent official OERI position or policy. Project Coordinator Jean Hall, ISTE Editors Bob Barber, ISTE; Christy McMannis, The Electronic Page; Carl Durance,WatNet Technologies; Ian Jukes, Futureview Consulting; Rick Withers and MikeHoebel, Education Technology Centre. Book Design and Production Ted D.E. McCain This book was produced using Microsoft Word, Adobe Page Maker,and Macromedia Free Hand running on a Power Book 5300cs computer equippedwith 36 megabytes of RAM and a 500 megabyte hard disk drive. Commercial EPS clip art used in this book created by: Artbeats, ArtRight Image Portfolios, Artware, C.A.R. Inc, Clipables, Dream Maker Software, Fine ArtImpressions, Image Club Graphics Inc., Metro Creative Graphics Inc.,and 3G Graphics. These materials were originally produced for The Education TechnologyCentre of British Columbia. © International Society for Technology in Education, 1996 Administrative Office Customer Service Office 1787 Agate Street 480 Chamelton Street Eugene, Oregon 97403-1923 Eugene, Oregon 97401-2626 Phone: 541-346-4414 Order Desk: 800-336-5191 Fax: 541-346-5890 Order Fax: 541-302-3778 America Online: ISTE CompuServe: 70014,2117 Internet: [email protected] World Wide Web: http://isteonline.uoregon.edu Second Edition ISBN 1-56484-107-3 Computer networking for educators Ted D. E. McCain & Mark Ekelund © International Society for Technology in Education, Second Edition, 1996 All rights reserved. No part of these materials may be reprinted, reproduced, or utilized in any form or by any electronic, mechanical, or other means, known now or invented hereafter, including photocopying and recording, or in any information storage and retrieval system, without the written permission of the authors. Table of contents Preface i Section One An introduction to networking in schools Chapter 1 - How can networking enhance the use of computers? So you want to know about networking... What is a network? 1 Why network computers? 2 Those new to networking please take note 2 Building a conceptual foundation 3 Networking: what it can do In the beginning was the stand-alone computer 3 Printer sharing 4 Print spooling 5 Disk sharing 7 File sharing 9 Summary 11 Chapter 2 - Advanced networking concepts So you still want to know more... Electronic mail and conferencing 13 Electronic mail 13 Conferencing 13 Internetwork connections Repeaters and star controllers 14 Routers/bridges 16 Gateways 17 Backbones 17 Remote connectivity Network modems 20 Telebridges and remote access 20 A word to the novice networker 22 Chapter 3 - Why network classroom computers? Computers in schools In the beginning 24 In the Middle Ages 25 The modern era of microcomputers 26 The reasons for networking classroom computers 28 Program security 28 Personal work files are much more secure 28 Reduced need for floppy disks 29 Shared files 29 Shared printers 29 Shared resources 29 Easy maintenance 29 Chapter 4 - Why network computers for administration? Computers and school administration The microcomputer revolution 31 The pros and cons of administrative networks 32 Implementation strategies 34 Chapter 5 - Why consider school-wide networking? Networks in schools 37 Why school-wide networks? Access for everyone - any time/anywhere 38 Security and control 39 Ease of maintenance 39 Uses for a school-wide network Networks for student learning 39 Network access to the virtual world 40 Networks for school administration 42 Chapter 6 - How to plan a school-wide network Keys to successful school-wide networks Involve the school staff 43 Developing a long-term vision 44 Planning for flexibility 44 Short-term planning 45 Use the work of others 45 Plan for the support required for school-wide networks 45 Educational issues in school-wide networking Technology and the educational process 46 The learning process 46 School organization 46 Defining the needs of the users Defining student needs 47 Defining teacher needs 48 The definition of roles within the school The danger of the resident superstar 49 The role of the library and the librarian 50 The role of the network administrator 50 The role of the computer resource teacher 51 Required resources Software 51 Physical facilities 51 Furniture and supplies 52 Section Two An introduction to the technical side of networking Chapter 7 - Technical details for both IBM-compatible and Macintosh computers An important note before we begin 53 Network administration An overview of the job Three important points for network administrators 54 People are more important than cables 54 You are a servant 55 Planning is the key 55 Basic procedure for installing networks Network components and their function 56 The network server 56 Workstations 57 Network cabling 57 General procedures for network installation 57 Understanding operating systems How does it do that? 59 What does it mean to boot a computer? 60 Operating systems and network administration 61 Network updates and network administration 62 Applications on a network And there's more updating to do 62 General technical details Network server software 64 Network communication strategies 66 Network cabling Unshielded twisted pair 67 Shielded twisted pair 68 Coaxial cable 69 Fiber optic cable 69 Network topologies Bus (trunkline) 70 Daisy-chain 71 Star 72 Backbone 73 Hybrid networks 74 Hubs to hook the wires together 74 Network performance: speed and flexibility 75 Security issues Levels of access 76 Passwords 77 Backup 78 Connectivity issues Modems on the network 78 Remote access 79 Network to network links 79 Facilities issues Running cables through buildings 80 Wiring closets and racks 81 Plenum vs non-plenum cable 82 Support issues Technical support staff 82 Working with vendors 82 IBM and Macintosh technical issues 82 Where to find technical help 83 Trust your vendor? 83 Don't have too many vendors 84 Issue a request for proposal? 84 Don't forget about other educators! 84 Chapter 8 - Technical issues in IBM-compatible networking Introduction The IBM PC 85 IBM-compatible networking decisions: too many flavors of ice cream How we organized this chapter 88 Quick and simple advice Server software 88 Networking hardware 88 Cabling 88 Workstations 88 Other considerations 89 More complete technical details The network software of choice: Novell Netware IBM ICLAS or raw Netware? 90 Other options 90 Types of networking hardware Ethernet 91 Token Ring 92 Arcnet 93 IBM Baseband 94 FDDI 94 Choosing a cable type and topology Cabling
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