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Table of Contents
P1/Vet MCSE Tr Gde: TCP/IP 747-2 Lori 12.01.97 FM LP#3
MCSE
TRAINING GUIDE
TCP/IP
Emmett Dulaney john white
Sherwood Lawrence raymond williams
Robert Scrimger kevin wolford
Anthony tilke
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MCSE Training Guide: TCP/IP
By Emmett Dulaney, Sherwood Lawrence, Robert Scrimger,
Anthony Tilke, John White, Raymond Williams, and Kevin
Wolford
Published by:
New Riders Publishing
201 West 103rd Street
Indianapolis, IN 46290 USA
All rights reserved. No part of this book may be reproduced or
transmitted in any form or by any means, electronic or mechani-
cal, including photocopying, recording, or by any information
storage and retrieval system, without written permission from the
publisher, except for the inclusion of brief quotations in a review.
© 1998 by New Riders Publishing
Printed in the United States of America 1 2 3 4 5 6 7 8 9 0
Library of Congress Cataloging-in-Publication Data
***CIP data available upon request***
ISBN: 1-56205-747-2
Warning and Disclaimer
This book is designed to provide information about TCP/IP.
Every effort has been made to make this book as complete and as
accurate as possible, but no warranty or fitness is implied.
The information is provided on an “as is” basis. The authors and
New Riders Publishing shall have neither liability nor responsibil-
ity to any person or entity with respect to any loss or damages
arising from the information contained in this book or from the
use of the discs or programs that may accompany it.
New Riders is an independent entity from Microsoft Corporation,
and not affiliated with Microsoft Corporation in any manner. This
publication may be used in assisting students to prepare for a
Microsoft Certified Professional Exam. Neither Microsoft Corpo-
ration, its designated review ICV, nor New Riders warrants that
use of this publication will ensure passing the relevant Exam.
Microsoft is either a registered trademark or trademark of
Microsoft Corporation in the United Stated and/or other coun-
tries.
Publisher David Dwyer
Executive Editor Mary Foote
Managing Editor Sarah Kearns
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About the Authors
Emmett Dulaney is a consultant for D. S. Technical Solutions in
central Indiana. An MCSE, CNE, OS/2 Engineer, and LAN Server
Engineer, he has taught continuing education courses for Indiana
University-Purdue University of Fort Wayne for more than seven
years, and has authored or coauthored over a dozen books. He
can be reached at
edulaney@iquest.net.
Shey Lawrence When Sherwood Lawrence is not tracing TCP/IP
packets and troubleshooting connectivity issues, he spends his
time tracing down his free time and troubleshooting why he has
so little of it left. He contends that the undeniable proof that
black holes exist in the universe sucking up space and time sits
squarely in the middle of his desk, bathing him in for medical
therapy can be sent to the author by contacting him through his
company’s Web site at
www.atlasconsulting.com.
For almost 20 years, Robert Scrimger has done everything with
computers except design the boards (yet) and sell them. In the
last eight years his primary endeavor has been training, starting
with many different applications and moving in the last few years
to work exclusively with network operating systems and client/
server applications. Rob is a Microsoft Certified Systems Engineer
on both 3.51 and 4.0 and a Microsoft Certified Trainer.
Anthony Tilke is a network consultant and engineer. He is both
Microsoft- and Novell-certified with MCSE and MCNE designa-
tions to his credit. After administering his first network in 1987,
Anthony started to change his career from an economic analyst to
a network engineer. With a transitional period as a statistical pro-
grammer and graduate student, Anthony dedicated himself to a
career in networking by 1992. His career has included the design,
implementation, and management of large networks and messag-
ing systems for public sector clients. More recently, Anthony has
been a senior network engineer for a Micrsoft Solution Provider,
and Novell Platinum reseller in the Pacific Northwest. A 1985
magna cum laude graduate from Pace University in New York,
Anthony has written software reviews for PC magazine. He can be
reached at
anthony@compuserve.com.
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John White currently works as a senior systems administrator. He
is heavily involved in the implementation and support of Windows
NT systems worldwide. John was a UNIX and NetWare systems
administrator before joining the world of Windows NT. Prior to
becoming a systems administrator, he was a biochemistry major at
Trent University. He now lives in Ottawa, Canada with his wife
Viviana.
Raymond Williams is a Microsoft Certified Trainer (MCT) and
consultant. He currently works for GSE Erudite as a network in-
structor. Raymond is a Microsoft Certified Systems Engineer as
well as a Certified NetWare Instructor and Certified NetWare En-
gineer. He has worked as a systems analyst and design engineer
for many companies during his five years experience. He thour-
oughly enjoys the computer industry and what it has to offer, and
finds pleasure in sharing the information with others.
Kevin B. Wolford is an MCSE, MCT, Master CNE, and CNI. He
has had several careers, including technical writer, pension actu-
ary, and trainer. He is the lead Windows NT trainer for GSE Eru-
dite Software in Salt Lake City, Utah. You alos can see Kevin in
training videos produced by Keystone Learning Systems of Provo,
Utah. Kevin enjoys explaining complex, technical things in a sim-
ple manner.
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Trademark Acknowledgments
All terms mentioned in this book that are known to be trademarks
or service marks have been appropriately capitalized. New Riders
Publishing cannot attest to the accuracy of this information. Use
of a term in this book should not be regarded as affecting the
validity of any trademark or service mark.
Microsoft is a registered trademark of Microsoft Corporation in
the United States and other counties.
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Contents at a Glance
Introduction 1
1. Introduction to TCP/IP 9
2. Architectural Overview of the TCP/IP Suite 27
3. IP Addressing 87
4. Subnetting 107
5. Implementing IP Routing 137
6. Dynamic Host Configuration Protocol 193
7. NetBIOS Over TCP/IP 231
8. Implementing Windows Internet Name Service 273
9. Administering a WINS Environment 295
10. IP Internetwork Browsing and Domain Functions 335
11. Host Name Resolution 371
12. Domain Name System 393
13. Implementing Microsoft DNS Servers 427
14. Connectivity in Heterogeneous Environments 467
15. Implementing the Microsoft SNMP Service 499
16. Troubleshooting Microsoft TCP/IP 527
17. TCP/IP and Remote Access Service 579
A. Overview of the Certification Process 623
B. Study Tips 633
C. What’s on the CD-ROM 637
D. All About TestPrep 639
Index 641
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Table of Contents
Introduction 1
Who Should Read This Book 1
How This Book Helps You 2
Understanding What the “Internetworking with Microsoft TCP/IP on
Microsoft Windows NT 4.0” Exam (#70-59) Covers 3
Hardware and Software Needed 4
Tips for the Exam 5
New Riders Publishing 6
1 Introduction to TCP/IP 9
The Exam 10
Three Exam Preps in One Book 10
What Is on the Test? 12
TCP/IP Architecture 12
TCP/IP Routing and Name Resolution 13
Installing TCP/IP on Windows NT Computers 14
The Dynamic Host Configuration Protocol (DHCP) 14
The Windows Internet Name Service (WINS) 15
The Domain Name System 16
Browsing in a TCP/IP Internetwork 17
Implementing the Microsoft SNMP Service 18
Performance Tuning and Optimization 18
Troubleshooting TCP/IP 19
How the Internetworking TCP/IP Test Differs from Other
Microsoft Exams 19
Installing TCP/IP 23
Services 24
2 Architectural Overview of the TCP/IP Suite 27
Introduction 29
Introductory Concepts—Network Basics 30
The Components of a Network 30
The Physical Address 34
Network Topologies 37
The OSI Model 44
Introduction to TCP/IP 49
The Four Layers of TCP/IP 51
RFCs 78
Exercises 80
Review Questions 81
Review Answers 85
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3 IP Addressing 87
Overview 89
TCP/IP Addressing Methods 90
IP Addresses Defined 91
Conversion Between Decimal and Binary Numbers 92
Network ID and Host ID 93
IP Address Classes Defined 93
Reasons for Using Specific Address Classes 94
Classes Defined 95
IP Addressing Guidelines 98
Assigning Network IDs 99
Assigning Host IDs 100
Addressing with IP Version 6 101
Review Questions 102
Review Answers 105
4 Subnetting 107
Introduction 109
The Purpose of Subnet Masks 111
Using the Subnet Mask 114
Understanding Default Subnet Masks 116
Subdividing a Network 117
Subnetting 118
Step 1: Determine the Number of Network IDs Required 118
Step 2: Determine the Number of Host IDs per Subnet
Required 119
Step 3: Define the Subnet Mask 120
Step 4: Determine the Network IDs to Use 122
Step 5: Determine the Host IDs to Use 126
Using the Network Subnetting Tables 127
Exercises 131
Review Questions 134
Review Answers 136
5 Implementing IP Routing 137
Introduction 139
Network Review 140
Repeaters, Bridges, and Switches 141
Looking at Broadcast Protocols 149
Understanding Routing 155
Dead Gateway Detection 158
Static and Dynamic Routers 162
Static and Dynamic Router Integration 178
Building a Multihomed Router 180
Exercises 183
Review Questions 184
Review Answers 190
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6 Dynamic Host Configuration Protocol 193
Understanding DHCP 195
What DHCP Servers Can Do 197
Limitations of DHCP 198
Planning a DHCP Implementation 199
Network Requirements 199
Installing the DHCP Relay Agent 200
Client Requirements 201
Using Multiple DHCP Servers 202
Using Scope Options 204
How DHCP Works 205
DHCPACK Phase 205
DHCP Lease Renewal 206
Installing the DHCP Server Service 207
Configuring the DHCP Server 207
Creating Scopes 208
Scope Options 210
Address Reservations 211
DHCP Clients 212
Using the IPCONFIG Utility 214
Displaying Information 214
Renewing a Lease 216
Releasing a Lease 216
Compacting the DHCP Database 217
Backing Up the DHCP Database 218
Restoring a Corrupt DHCP Database 219
Automatic Restoration 219
Registry RestoreFlag 219
Copying from the Backup Directory 220
Exercises 221
Review Questions 225
Review Answers 228
7 NetBIOS Over TCP/IP 231
Defining NetBIOS 233
NetBIOS Over TCP/IP (NBT) 234
NetBIOS Services 236
Name Management 237
Name Resolution 240
Order of Resolution 252
nbtstat 258
Exercises 261
Review Questions 265
Review Answers 269
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8 Implementing Windows Internet Name Service 273
The Windows Internet Name Service 275
How WINS Works 276
Name Registration 276
Name Renewal 277
Name Release 278
Name Resolution 278
Implementation Considerations 280
WINS Server Considerations 280
WINS Client Considerations 283
Implementing WINS 283
Implementing a WINS Server 283
Configuring WINS Clients 284
Integrating WINS with DHCP 284
Review Questions 286
Review Answers 293
9 Administering a WINS Environment 295
Installing a WINS Server 297
WINS Clients 298
Configuring WINS to be Used by Non-WINS Clients 298
Registering Non-WINS Clients with Static Entries 299
Adding Entries to WINS from an LMHOSTS File 300
Resolving Names Through a WINS Server for Non-WINS
Clients 300
Configuring a Client for WINS 302
Replication 303
The Replication Process 306
Using the WINS Manager 306
Backing Up the WINS Database 310
Restoring the WINS Database 310
Files Used for WINS 311
Compacting the WINS Database 311
Exercises 312
Review Questions 325
Review Answers 331
10 IP Internetwork Browsing and Domain Functions 335
Browsing in Windows NT 337
Browsing Tools 338
System Roles 339
The Direct Approach 340
Browsing Roles 342
Filling Roles 343
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[...]... studying for the MCSE exam but are looking for a singlevolume reference on TCP/IP implementation Untitled-28 1 P1/Vet MCSE Tr Gde: TCP/IP 12/3/97, 8:32 AM 74 7-2 Lori 12.01.97 Intro LP#4 1 2 MCSE Training Guide: TCP/IP How This Book Helps You This book takes you on a self-guided tour of all the areas covered by the MCSE TCP/IP exam and teaches you the specific skills you need to achieve your MCSE certification... Publishing at (317) 81 7-7 448 You also can send e-mail to New Riders at the following Internet address: slayton@.mcp.com NRP is an imprint of Macmillan Computer Publishing To obtain a catalog or information, or to purchase any Macmillan Computer Publishing book, call (800) 42 8-5 331 Thank you for selecting MCSE Training Guide: TCP/IP ! Untitled-28 7 P1/Vet MCSE Tr Gde: TCP/IP 12/3/97, 8:32 AM 74 7-2 Lori 12.01.97... Microsoft Windows NT computers Untitled-29 9 B01/V01 MCSE Tr Gde: TCP/IP 12/3/97, 8:33 AM 74 7-2 Lori 11.26.97 CH 01 LP#3 9 10 MCSE Training Guide: TCP/IP The Exam The “Internetworking with Microsoft TCP/IP on Microsoft Windows NT 4.0” exam (Exam 7 0-0 59) is one of the most crucial exams in the MCSE track Although Microsoft does not require the exam, almost all MCSE candidates are choosing it as one... Mouse or equivalent pointing device Two-speed (or faster) CD-ROM drive (optional) Network Interface Card (NIC) Presence on an existing network, or use of a 2-port (or more) mini-port hub to create a test network MS-DOS 5.0 or 6.x and Microsoft Windows for Workgroups 3.x preinstalled Microsoft Windows 95 (floppy version) Microsoft Windows NT Server (CD-ROM version) It is somewhat easier to get... 639 Scoring 640 Index Untitled-27 15 P1/Vet MCSE Tr Gde: TCP/IP 641 12/3/97, 8:31 AM 74 7-2 Lori 12.01.97 FM LP#3 xv Introduction Introduction MCSE Training Guide: TCP/IP is designed for advanced end-users, service technicians, and network administrators who are considering certification as a Microsoft Certified Systems Engineer (MCSE) , Microsoft Certified Product (MCP) Specialist... The CD-ROM also contains a sample test engine that will give you an accurate idea of what the test is really like You’ll also get a chance to practice for the certification exams using the test engine on the accompanying CD-ROM The questions on the CD-ROM provide a more thorough and comprehensive look at what your certification exams really are like Untitled-28 2 P1/Vet MCSE Tr Gde: TCP/IP 74 7-2 Lori... TCP/IP on Microsoft Windows NT 4.0” Exam (#7 0-5 9) Covers The “Internetworking with Microsoft TCP/IP on Microsoft Windows NT® 4.0” exam (#7 0-5 9) covers five main topic areas, arranged in accordance with test objectives On the CD-ROM that comes with this book, you’ll find document lpr7 0-5 9.doc, which is the exam preparation guide prepared by Microsoft lpr7 0-5 9.doc describes what you will be tested on... suggests ways to prepare for the exam The exam objectives, listed by topic area, are covered in the following sections Untitled-28 3 P1/Vet MCSE Tr Gde: TCP/IP 12/3/97, 8:32 AM 74 7-2 Lori 12.01.97 Intro LP#4 3 4 MCSE Training Guide: TCP/IP Hardware and Software Needed As a self-paced study guide, much of the book expects you to use Windows NT Server and follow along through the exercises while you learn... the exercises require only a single stand-alone Windows NT computer running TCP/IP Server The computer should meet the following criteria: Computer on the Microsoft Hardware Compatibility List 486DX2 66-Mhz (or better) processor for Windows NT Server 16 MB of RAM (minimum) for Windows NT Server 340-MB (or larger) hard disk for Windows NT Server 3.5-inch 1.44-MB floppy drive VGA (or Super VGA) video... Read This Book This book is designed to help advanced users, service technicians, and network administrators who are working for MCSE certification prepare for the MCSE “Internetworking with Microsoft TCP/ IP on Microsoft Windows NT 4.0” exam (#7 0-5 9) This book is your one-stop-shop Everything you need to know to pass the exam is in here, and Microsoft has certified it as study material You do not need . 7 8 9 0
Library of Congress Cataloging-in-Publication Data
***CIP data available upon request***
ISBN: 1-5 620 5-7 4 7-2
Warning and Disclaimer
This book is. the CD-ROM 637
D. All About TestPrep 639
Index 641
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