Guide to Networking Essentials

by Tomsho, Greg

• ISBN13: 9781418837181
• ISBN10: 1418837180
• Edition: 5th
• Format: Paperback
• Copyright: 2006-06-21
• Publisher: Course Technology

Summary

Guide to Networking Essentials, Fifth Edition has been revised and provides a baseline level of knowledge for success in industry and preparation for networking certifications, including the MCSA, MCSE, CNA and CCNA designations. This new edition has been updated to cover new industry topics such as Networked Attached Storage (NAS), Cable Installation and Management, as well as, Fixed and Mobile WiMAX. Written with a focus on networking operating systems, this book continues to provide up-to-date coverage of Microsoft Windows XP and Server 2003 technologies along with UNIX, Red Hat Linux, and Novell Netware operating systems.

Table of Contents

Preface	xv
Introduction to Networks and Networking Concepts	1	(40)
What Is Networking?	2	(2)
Networking Fundamentals	2	(1)
Local and Wide Area Networks	3	(1)
Developing a Networking Lexicon	4	(4)
Clients, Peers, and Servers	5	(1)
Network Medium	6	(1)
Network Protocols	6	(1)
Network Software	7	(1)
Network Services	7	(1)
Understanding Network Types	8	(7)
Peer-to-Peer Networking	9	(2)
Server-Based Networks	11	(3)
Wireless Personal Area Networks (WPANs)	14	(1)
Understanding the Role of Network Servers	15	(4)
Server Hardware Requirements	15	(1)
Specialized Servers	16	(2)
Web-Based Networks	18	(1)
Selecting the Right Type of Network	19	(2)
Choosing a LAN Versus an Internetwork	19	(1)
Is It a MAN or a WAN?	20	(1)
Choosing a Peer-to-Peer or Server-Based Network	20	(1)
Chapter Summary	21	(1)
Key Terms	21	(4)
Review Questions	25	(4)
Hands-On Projects	29	(10)
Case Projects	39	(2)
Network Design Essentials	41	(28)
Examining the Basics of a Network Layout	42	(1)
Understanding Standard Topologies	42	(10)
Physical Bus Topology	43	(2)
Logical Bus Topology	45	(1)
Physical Ring Topology	46	(1)
Logical Ring Topology	46	(2)
Physical Star Topology	48	(3)
Wireless Topologies	51	(1)
Examining Variations of Physical Topologies	52	(2)
Extended Star Topology	52	(1)
Mesh Topology	53	(1)
Combination Star Bus Topology	54	(1)
Hubs and Switches	54	(2)
Hubs	54	(1)
Switches	55	(1)
Constructing a Network Layout	56	(3)
Selecting a Topology	57	(1)
Creating the Layout	57	(2)
Chapter Summary	59	(1)
Key Terms	60	(1)
Review Questions	61	(3)
Hands-On Projects	64	(4)
Case Projects	68	(1)
Networking Media	69	(54)
Network Cabling: Tangible Physical Media	70	(4)
General Cable Characteristics	70	(2)
Baseband and Broadband Transmission	72	(2)
The Importance of Bandwidth	74	(1)
Primary Cable Types	74	(15)
Coaxial Cable	75	(2)
Twisted-Pair Cable	77	(8)
Fiber-optic Cable	85	(3)
Cable Selection Criteria	88	(1)
Managing and Installing the Cable Plant	89	(3)
Structured Cabling	89	(3)
Wireless Networking: Intangible Media	92	(11)
The Wireless World	92	(2)
Types of Wireless Networks	94	(1)
Wireless LAN Components	94	(1)
Wireless LAN Transmission	95	(4)
802.11 Wireless Networking	99	(1)
Wireless Extended LAN Technologies	100	(1)
Wireless MAN: The 802.16 Standard	101	(1)
Microwave Networking Technologies	101	(2)
Chapter Summary	103	(1)
Key Terms	104	(7)
Review Questions	111	(5)
Hands-On Projects	116	(3)
Case Projects	119	(4)
Network Interface Cards	123	(36)
Network Interface Card (NIC) Basics	124	(9)
From Parallel to Serial and Vice Versa	124	(2)
Additional Functions of a NIC	126	(1)
PC Buses	127	(4)
Other PC Interfaces Used for Networking	131	(1)
Principles of NIC Configuration	132	(1)
Integrated NICs	132	(1)
Making the Network Attachment	133	(1)
Choosing Network Adapters for Best Performance	133	(2)
Special-Purpose NICs	135	(2)
Wireless Adapters	136	(1)
Remote Boot Adapters	136	(1)
Driver Software	137	(6)
NIC Driver Configuration	140	(1)
Wireless NIC Configuration	141	(2)
Chapter Summary	143	(1)
Key Terms	144	(3)
Review Questions	147	(4)
Hands-On Projects	151	(5)
Case Projects	156	(3)
Making Networks Work	159	(34)
Understanding the OSI and 802 Networking Models	160	(13)
Role of a Reference Model	160	(1)
OSI Reference Model	161	(2)
Structure of the OSI Reference Model	163	(9)
Summary of the OSI Layers	172	(1)
Function of Data Frames in Network Communications	173	(3)
Examining the Structure of a Data Frame	174	(1)
Creating a Data Frame	175	(1)
Understanding Types of Data Frames	176	(1)
Understanding the IEEE 802 Networking Specifications	176	(4)
IEEE 802 Specifications	177	(1)
IEEE 802 Extensions to the OSI Reference Model	178	(2)
Chapter Summary	180	(1)
Key Terms	181	(2)
Review Questions	183	(5)
Hands-On Projects	188	(2)
Case Projects	190	(3)
Network Communications and Protocols	193	(46)
Protocols	194	(4)
The Function of Protocols	194	(1)
Protocols in a Layered Architecture	195	(3)
Common Protocol Suites	198	(26)
Transmission Control Protocol/Internet Protocol (TCP/IP)	198	(5)
IP Addressing	203	(16)
Other Protocol Suites	219	(4)
Implementing and Removing Protocols	223	(1)
Chapter Summary	224	(1)
Key Terms	224	(3)
Review Questions	227	(4)
Hands-On Projects	231	(5)
Case Projects	236	(3)
Network Architectures	239	(52)
Putting Data on the Cable: Access Methods	240	(7)
Function of Access Methods	240	(1)
Major Access Methods	240	(5)
Choosing an Access Method	245	(2)
The Ethernet Architecture	247	(3)
Overview of Ethernet	247	(1)
Ethernet Operation	248	(2)
Ethernet Standards	250	(10)
100 Mbps IEEE Standards	250	(3)
10 Mbps IEEE Standards	253	(2)
Gigabit Ethernet: IEEE 802.3ab and 802.3z Standards	255	(5)
What's Next for Ethernet?	260	(1)
Ethernet Frame Types	260	(4)
Ethernet 802.3	261	(1)
Ethernet 802.2	262	(1)
Ethernet SNAP	262	(1)
Ethernet II	262	(1)
Wireless Ethernet: IEEE 802.11b, a, and g	262	(2)
The Token Ring Architecture	264	(4)
Token Ring Function	265	(1)
Hardware Components	266	(1)
Cabling in a Token Ring Environment	267	(1)
The AppleTalk Environment	268	(2)
LocalTalk	269	(1)
EtherTalk and TokenTalk	269	(1)
The Fiber Distributed Data Interface (FDDI) Architecture	270	(1)
Networking Alternatives	271	(5)
Broadband Technologies	272	(2)
Broadcast Technologies	274	(1)
Asynchronous Transfer Mode (ATM)	274	(1)
ATM and SONET Signaling Rates	275	(1)
High Performance Parallel Interface (HIPPI)	276	(1)
Chapter Summary	276	(1)
Key Terms	277	(3)
Review Questions	280	(4)
Hands-On Projects	284	(3)
Case Projects	287	(4)
Simple Network Operations	291	(42)
Network Operating Systems	292	(2)
Basic Functions of an Operating System	292	(2)
Software Components of Networking	294	(6)
Naming Services	294	(2)
Directory Services	296	(1)
Client Network Software	297	(1)
Server Network Software	298	(1)
Client and Server Capabilities	299	(1)
Installing a Network Operating System	300	(9)
Installation Preparation	300	(5)
Installing Microsoft Windows Servers	305	(2)
Installing Novell NetWare 6.5	307	(1)
Installing Linux	307	(2)
Configuring Network Services	309	(5)
Installing, Removing, and Configuring Network Services	310	(1)
Network Bindings	311	(1)
Network Printing	311	(2)
File Shares	313	(1)
Network Applications	314	(3)
E-Mail or Messaging	315	(1)
Scheduling or Calendering	316	(1)
Groupware	316	(1)
Chapter Summary	317	(1)
Key Terms	318	(1)
Review Questions	319	(4)
Hands-On Projects	323	(7)
Case Projects	330	(3)
Understanding Complex Networks	333	(30)
Implementing Multivendor Solutions	334	(8)
Client-Based Solutions	334	(2)
Server-Based Solutions	336	(1)
Vendor Options	337	(5)
Centralized Versus Client/Server Computing	342	(3)
Understanding Terminal Services	342	(2)
Thin-Client Computing	344	(1)
Back to the Future: The Mainframe Environment	345	(1)
Client/Server Environment	345	(2)
Client/Server Model in a Database Environment	346	(1)
Advantages of Working in a Client/Server Environment	347	(1)
Web-Based Computing Environments	347	(1)
Chapter Summary	348	(1)
Key Terms	349	(1)
Review Questions	350	(4)
Hands-On Projects	354	(6)
Case Projects	360	(3)
Introduction to Network Security	363	(44)
Network Security Overview and Policies	364	(3)
Developing a Network Security Policy	364	(1)
Determining Elements of a Network Security Policy	365	(1)
Understanding Levels of Security	366	(1)
Securing Physical Access to the Network	367	(3)
Physical Security Best Practices	368	(2)
Securing Access to Data	370	(18)
Implementing Secure Authentication and Authorization	370	(6)
Securing Data with Encryption	376	(3)
Securing Communication with Virtual Private Networks	379	(3)
Protecting Networks with Firewalls	382	(2)
Protecting a Network from Worms, Viruses, and Rootkits	384	(2)
Protecting a Network from Spyware and Spam	386	(1)
Implementing Wireless Security	387	(1)
Using a Cracker's Tools to Stop Network Attacks	388	(5)
Discovering Network Resources	389	(1)
Gaining Access to Network Resources	390	(2)
Disabling Network Resources	392	(1)
Chapter Summary	393	(1)
Key Terms	394	(2)
Review Questions	396	(3)
Hands-On Projects	399	(5)
Case Projects	404	(3)
Supporting a Small Business Network	407	(34)
Addressing the Needs of Small Business Networks	408	(8)
Data and Application Sharing in a Small Business	408	(6)
Equipment Sharing in a Small Business	414	(1)
Communicating on a Small Business Network	415	(1)
Equipping Small Business Networks	416	(8)
Servers and Desktops	416	(1)
Networking Equipment	417	(3)
Communicating with the Outside World	420	(4)
Identifying Requirements for Small Business Applications	424	(3)
Small Business Accounting Software	425	(1)
Sales and Contact Management Software	426	(1)
Is Linux a Viable Desktop Alternative to Windows?	426	(1)
Supporting a Small Business	427	(4)
Entrepreneurs Wanted	427	(1)
Securing a Small Business Network	428	(2)
Managing a Small Business Network	430	(1)
Chapter Summary	431	(1)
Key Terms	432	(1)
Review Questions	432	(4)
Hands-On Projects	436	(3)
Case Projects	439	(2)
Network Administration and Support	441	(40)
Managing Networked Accounts	442	(10)
Creating User Accounts	442	(6)
Creating and Managing Groups in Windows	448	(2)
Creating and Managing Groups in Linux	450	(2)
Auditing	452	(1)
Monitoring Network Performance	452	(8)
Data Reads and Writes	452	(1)
Security Errors	453	(1)
Server Sessions	453	(1)
Network and System Performance	453	(5)
Total System Management	458	(2)
Maintaining a Network History	460	(1)
Avoiding Data Loss	460	(7)
Tape Backup	460	(2)
System Repair or Recovery in Windows	462	(2)
Uninterruptible Power Supply	464	(1)
Fault-Tolerant Systems	465	(2)
Chapter Summary	467	(1)
Key Terms	468	(2)
Review Questions	470	(4)
Hands-On Projects	474	(4)
Case Projects	478	(3)
Enterprise and Wide Area Networks	481	(46)
Creating Larger Networks	482	(11)
Repeaters	482	(2)
Bridges	484	(2)
Switches	486	(3)
Routers	489	(3)
Gateways	492	(1)
Wide Area Network (WAN) Transmission Technologies	493	(15)
Analog Connectivity	494	(5)
Digital Connectivity	499	(5)
Packet-Switching Networks	504	(4)
WAN Implementation Basics	508	(2)
Customer Equipment	508	(1)
Provider Equipment	508	(1)
Going the Last Mile	508	(2)
Remote Access Networking	510	(1)
Serial Line Internet Protocol (SLIP)	511	(1)
Point-to-Point Protocol (PPP)	511	(1)
Chapter Summary	511	(2)
Key Terms	513	(3)
Review Questions	516	(4)
Hands-On Projects	520	(4)
Case Projects	524	(3)
Solving Network Problems	527	(48)
Preventing Problems with Planning and Documentation	528	(7)
Backing Up Network Data	528	(1)
Setting Hardware and Software Standards	529	(1)
Establishing Upgrade Guidelines	529	(1)
Maintaining Documentation	530	(1)
Performing Preemptive Troubleshooting	531	(1)
Practicing Good Customer-Relation Skills	532	(1)
Using Network-Monitoring Utilities	532	(3)
Approaches to Network Troubleshooting	535	(6)
Trial and Error	535	(3)
Solve by Example	538	(1)
The Replacement Method	539	(1)
Step by Step with the OSI Model	539	(2)
The Problem-Solving Process	541	(10)
Step 1: Determine the Problem Definition and Scope	543	(1)
Step 2: Gather Information	544	(2)
Step 3: Consider Possible Causes	546	(1)
Step 4: Devise a Solution	547	(1)
Step 5: Implement the Solution	548	(1)
Step 6: Test the Solution	549	(1)
Step 7: Document the Solution	550	(1)
Step 8: Devise Preventive Measures	550	(1)
Making Use of Problem-Solving Tools	551	(9)
Experience	551	(1)
The World Wide Web	552	(2)
Network Documentation	554	(3)
Additional Tools for Network Troubleshooting	557	(3)
Common Troubleshooting Situations	560	(2)
Cabling and Related Components	560	(1)
Power Fluctuations	561	(1)
Upgrades	561	(1)
Poor Network Performance	561	(1)
Chapter Summary	562	(1)
Key Terms	563	(1)
Review Questions	564	(3)
Hands-On Projects	567	(6)
Case Projects	573	(2)
APPENDIX A Common Networking Standards and Older Technologies	575	(18)
Standards-Making Process	576	(1)
Important Standards Bodies	577	(8)
American National Standards Institute (ANSI)	578	(1)
Comite Consultatif International Telephonique et Telegraphique (CCITT)	578	(2)
Electronic Industries Alliance (EIA)	580	(1)
Internet Architecture Board (IAB)	580	(1)
Institute of Electrical and Electronics Engineers, Inc. (IEEE)	581	(1)
International Organization for Standardization (ISO)	582	(1)
Object Management Group (OMG)	582	(1)
The Open Group (TOG)	583	(1)
The World Wide Web Consortium (W3C)	584	(1)
Internet Corporation for Assigned Names and Numbers (ICANN)	584	(1)
Old or Obsolete Technologies	585	(8)
Thinwire Ethernet (Thinnet)	585	(1)
Thickwire Ethernet (Thicknet)	586	(1)
The IPX/SPX Protocol Suite	587	(1)
10Base5 Ethernet	588	(1)
10Base2 Ethernet	589	(1)
100VG-AnyLAN	590	(3)
APPENDIX B Planning and Implementing Networks	593	(14)
Needs Assessment and Justification	594	(1)
Establish the Need for a Network	594	(1)
Network Plan	595	(4)
Working with Consultants	595	(1)
Identifying and Involving Network Staff	596	(1)
Knowing Your Organization	596	(1)
Starting to Plan	597	(1)
Using a Network Map for Planning	598	(1)
Creating Network Questionnaires	598	(1)
Implementation Plan	599	(4)
Good Plans Produce the Best Results	599	(2)
Working Around Users	601	(1)
Importance of Fallbacks	601	(1)
Access to Emergency Expertise	602	(1)
Transitioning Users onto the Network	603	(1)
Planning for Network Extensions or Expansions	603	(1)
Obtaining Post-Sales Support and Information	604	(3)
Build a List and Check It Twice!	604	(1)
Be Familiar with the Assets Under Your Control	604	(1)
Ready for Action	605	(1)
Escalation	605	(2)
APPENDIX C Network Troubleshooting Guide	607	(6)
General Questions for Troubleshooting	608	(5)
Cabling Problems	608	(1)
Problems with Adapter Cards	609	(1)
Driver Problems	609	(1)
Problems with Network Operations	609	(1)
Problems with Network Printing and Fax Services	610	(1)
Problems with Network Applications	610	(1)
Problems in a Multivendor Environment	610	(1)
Problems with Client/Server Computing	611	(1)
Problems with Network Accounts	611	(1)
Problems with Data Security	611	(1)
Problems with Large Network Communications	612	(1)
APPENDIX D Networking Resources, Online and Offline	613	(4)
Printed Materials	614	(1)
Online/Electronic Materials	614	(3)
Glossary	617	(24)
Index	641