Sams Teach Yourself Networking in 24 Hours

by Habraken, Joe; Hayden, Matt

• ISBN13: 9780672326080
• ISBN10: 0672326086
• Format: Paperback
• Copyright: 2004-01-01
• Publisher: Sams

Summary

"Sams Teach Yourself Networking in 24 Hours, 3rd Edition" is an entertaining and informative introduction to computer networking. Using a straightforward, step-by-step approach, each lesson builds upon the previous one, allowing the reader to learn the essentials of networking from the ground up. The book provides a basic understanding of the concepts, hardware and software, with new and updated material on wireless networks, including 802,11 a, b, and g, with discussions on the upsides/downsides of SSID broadcast, security, encryption and speed.

This edition includes new coverage of Linux, updated material for Windows 2003, bleeding-edge wireless technologies including cell phones and PDAs, and network security issues using OS's and firewalls, DSL/cable modem, and email with anti-spam technologies.

Table of Contents

Introduction	1	(6)
Part I: What Exactly Is Networking?
HOUR 1: An Overview of Networking	7	(18)
What Is a Network?	8	(1)
Why Build a Network?	9	(1)
How Networks Are Put Together	10	(6)
The Physical Network	10	(5)
Network Devices	15	(1)
The Varieties of Networks	16	(3)
LANs	16	(1)
WANs	17	(2)
How the Internet Relates to Your Network	19	(4)
What Is the Internet?	19	(2)
Understanding Bandwidth	21	(1)
Understanding Different Kinds of Internet Connections	21	(1)
Why Does the Internet Matter for Your Network?	22	(1)
Intranets, Extranets, VPN, and the Internet	23	(1)
Summary	23	(1)
Q&A	24	(1)
HOUR 2: The Benefits of Networking	25	(16)
Computing Before Computer Networks	26	(5)
Networking's Breakthrough: Packet-Switched Data	27	(4)
Life Without Computer Networks	31	(2)
Inefficient Resource Sharing	31	(1)
Slo-o-ow Communications	32	(1)
No Centralized Data Management	32	(1)
Expense	33	(1)
Benefits of Networking	33	(3)
Simplified Resource Sharing	33	(1)
Networking Is Faster	34	(1)
Centralized Management	35	(1)
Summary	36	(1)
Q&A	37	(4)
Part II: The Basics
HOUR 3: Getting Data from Here to There: How Computers Share Data	41	(22)
Logical Topologies	42	(6)
Ethernet	42	(3)
Token Ring and FDDI	45	(2)
Asynchronous Transfer Mode (ATM)	47	(1)
Network Protocols	48	(12)
The OSI Model (And Why You Should Be Familiar with It)	48	(4)
TCP/IP	52	(7)
IPX	59	(1)
NetBIOS and NetBEUI	59	(1)
Summary	60	(1)
Q&A	61	(2)
HOUR 4: Computer Concepts	63	(18)
Computer Hardware	63	(11)
The CPU	64	(1)
Memory	65	(1)
Disks	66	(3)
Add-In Adapter Cards	69	(5)
Operating System Software	74	(5)
Multitasking Versus Single-Tasking Systems	74	(2)
Mac OS	76	(1)
Windows Systems	76	(2)
UNIX	78	(1)
Summary	79	(1)
Q&A	80	(1)
HOUR 5: Network Concepts	81	(28)
What Networks Are Made Of	81	(20)
Network-Specific Hardware	81	(18)
Software: Server Operating Systems	99	(2)
Microsoft Windows Server 2003	101	(6)
Summary	107	(1)
Q&A	108	(1)
HOUR 6: Extending Your LAN: Wide Area Networks	109	(24)
What Is a WAN?	110	(2)
WAN Hardware	112	(11)
Bridges	113	(1)
Gateways: Protocol Translators	113	(1)
Routers	114	(9)
High-Speed Data Access	123	(7)
Trunk Lines: T1 and T3	124	(3)
Digital Subscriber Lines (DSL)	127	(2)
Service Level Agreements and Quality of Service Agreements	129	(1)
Can the Internet Help You Build Your WAN?	130	(1)
So Who Needs a WAN, Anyway?	131	(1)
Summary	131	(1)
Q&A	132	(1)
HOUR 7: Remote Networking	133	(18)
A Brief History of Remote Access: Remote Control
and Remote Node	134	(4)
Remote Control	134	(2)
Remote Node	136	(2)
Remote Access Requirements	138	(4)
Modems	138	(2)
Protocols	140	(2)
Authentication and Security	142	(1)
Using the Internet for Remote Access	143	(2)
Remote Access Hardware: Build or Buy?	145	(2)
Building a Remote Access Solution	146	(1)
Buying Turnkey Remote Access Solutions	146	(1)
Summary	147	(1)
Q&A	148	(3)
Part III: Building Networks
HOUR 8: Network Criteria	151	(12)
Best Practices and Networking	151	(2)
Planning Best Practices: Plan, Design, Implement, and Tune	153	(4)
Dealing with Change	154	(1)
Applying the Best Practices	155	(2)
Interoperability and Standards-Based Networking	157	(1)
Security	158	(2)
Enunciating Usage Policies and Procedures	159	(1)
Defining Secure Behaviors	159	(1)
Monitoring	160	(1)
Why Monitor?	160	(1)
How Do I Monitor?	161	(1)
Collating What You've Learned	161	(1)
Summary	161	(1)
Q&A	162	(1)
HOUR 9: Designing a Network	163	(24)
Step 1: Identify the Uses of Your Network	164	(3)
Defining the Organizational Purpose	164	(2)
Quantifying the Network	166	(1)
Step 2: List Which Tasks Happen at Which Computers	167	(2)
The Many-User Computer	168	(1)
Step 3: Selecting the Type of Network: To Centralize or Not to Centralize	169	(6)
Peer-to-Peer Networks	170	(1)
Server-Based Networks	171	(1)
File Servers and Security	172	(1)
Easier Backup	173	(1)
Easier Configuration Management	174	(1)
Step 4: Making It Real-Drawing the Network	175	(7)
Step 5: Writing the Specification and Getting Others' Input	182	(3)
Writing the Specification Document	183	(1)
Meeting with Other Users	184	(1)
Step 6: Building the Network	185	(1)
Summary	185	(1)
Q&A	186	(1)
HOUR 10: Selecting Network Hardware and Software	187	(18)
Making the Right Choices	187	(1)
Selecting a Network Architecture	188	(1)
Working with Ethernet 100BASE-T	189	(2)
Selecting the Network Type: Client/Server or Peer to Peer	191	(3)
Client/Server Networking	191	(1)
Peer Networking	192	(2)
Peer-to-Peer Operating Systems	194	(1)
Peer Networking with Microsoft Windows XP	195	(3)
Network Operating Systems	198	(5)
Novell NetWare	199	(2)
Microsoft Windows Server	201	(1)
UNIX and Linux	201	(2)
A Word Regarding Network Protocols	203	(1)
Summary	203	(1)
Q&A	204	(1)
HOUR 11: Assembling a Network	205	(14)
Before Installation	205	(4)
Installing Adapter Cards	209	(4)
Working on Wiring: Closets, Cables, and Connections	213	(4)
The Wiring Closet: The Network's Home Sweet Home	213	(4)
A Word About Wireless Networking	217	(1)
Summary	217	(1)
Q&A	218	(1)
HOUR 12: Network Applications	219	(18)
Email	221	(2)
Proprietary Mail Systems	222	(1)
Open-Standards Email	223	(1)
Configuring Email	223	(2)
Understanding Multipurpose Internet Mail Extensions	225	(1)
Diagnosing Email Problems	225	(1)
Dealing with Spam	226	(1)
Scheduling and Calendars	227	(2)
Networked Contact Management	229	(1)
A Sampler of Network-Based Software	230	(5)
Novell GroupWise	230	(2)
Lotus Notes	232	(1)
Microsoft Exchange/Outlook	233	(2)
A Few Others	235	(1)
Summary	235	(1)
Q&A	236	(1)
HOUR 13: Connecting to the Internet	237	(18)
The Origins of the Internet	237	(1)
Getting Connected to the Internet	238	(2)
Types of Internet Connections	240	(3)
Dial-Up Connections	240	(1)
DSL	241	(1)
Broadband	242	(1)
Using Firewalls, Proxy Servers, and Network Address Translation	243	(2)
Firewalls	243	(1)
Proxy Servers	244	(1)
Understanding Network Address Translation	245	(1)
Internet Email	246	(2)
The World Wide Web and Other Internet Services	248	(3)
Using the Web	248	(1)
File Transport Protocol	249	(2)
Summary	251	(1)
Q&A	252	(3)
Part IV: Network Operating Systems and Providing Network-Wide Services
HOUR 14: TCP/IP	255	(16)
Understanding IP Addressing	256	(2)
Getting Your IP Addresses	258	(1)
Configuring Network Devices for TCP/IP	259	(3)
Static IP Settings on Servers	259	(2)
Static IP Settings on Network Clients	261	(1)
Understanding the Dynamic Host Configuration Protocol	262	(1)
Configuring a Network Client for DHCP	263	(1)
Understanding DNS	264	(4)
The Domain Namespace	265	(2)
How DNS Works	267	(1)
Getting a Domain Name	268	(1)
Summary	269	(1)
Q&A	270	(1)
HOUR 15: Microsoft Networking	271	(20)
Microsoft's Logical Network Structure	271	(3)
Installing and Configuring a Microsoft Server	274	(5)
The Installation Process	275	(1)
Configuring a Windows 2003 Server	276	(3)
Configuring Windows Clients for Domain Membership	279	(4)
Adding Client Computers to the Domain	279	(2)
Configuring Network Protocols in Windows	281	(2)
Sharing Folders and Printers on the Network	283	(3)
Managing a Microsoft Server	286	(2)
Summary	288	(1)
Q&A	289	(2)
HOUR 16: UNIX and Linux Networking	291	(18)
How UNIX Got Its Start	291	(2)
Basic UNIX Concepts	293	(3)
UNIX/LINUX as a Network Platform	296	(3)
Network Services and Settings on a Linux Server	299	(2)
Options for Sharing Files	301	(4)
Upgrading a Linux Server	305	(1)
Summary	306	(1)
Q&A	307	(2)
HOUR 17: Common Network Services and How to Provide Them	309	(16)
Deploying Common Network Services	309	(3)
Providing File and Print Services	312	(4)
Deploying a File Server	312	(3)
Providing Print Services	315	(1)
Providing DHCP on the Network	316	(2)
Deploying DNS on the Network	318	(3)
Summary	321	(1)
Q&A	322	(3)
Part V: Introduction to Network administration
HOUR 18: What Is a Network Administrator?	325	(14)
Information Technology Jobs	326	(1)
Computer Networking Education and Certification	327	(4)
Planning and Installing a Network	331	(1)
A Few Thoughts on Budgets	332	(1)
Managing Network Projects	333	(4)
Summary	337	(1)
Q&A	338	(1)
HOUR 19: Security	339	(18)
Securing the Internal Network	340	(6)
User Access	341	(4)
Resource Permissions	345	(1)
Dealing with Viruses	346	(2)
Understanding External Attacks	348	(2)
Using IP Security	350	(1)
Thoughts on Securing a Network	351	(2)
Wardriving and Wireless Networks	353	(2)
Summary	355	(1)
Q&A	356	(1)
HOUR 20: Managing an Existing Network	357	(18)
Upgrading the Network	357	(1)
Managing Hardware Upgrades and Growth	358	(2)
Managing Software Upgrades and Growth	360	(1)
Dealing with NOS and Client Licensing	361	(2)
Backing Up Network Data	363	(4)
The Basics of Back Up	363	(2)
Types of Backups	365	(1)
The Grandfather-Father-Son Scheme	366	(1)
Your Network and Disaster Recovery Planning	367	(5)
Defining the Computing Infrastructure	368	(1)
Assessing Business Impact	369	(1)
Assessing Computing Environment Vulnerabilities	369	(1)
Developing the Plan	370	(2)
Summary	372	(1)
Q&A	373	(2)
HOUR 21: Network Troubleshooting Tips and Tricks	375	(18)
Monitoring Server Hardware	375	(7)
Processor Performance	376	(4)
Hard Drive Performance and Space	380	(1)
Memory Utilization	381	(1)
Using Event Logs to Track Problems	382	(3)
TCP/IP Connectivity Command-Line Tools	385	(5)
Ping	385	(3)
FTP	388	(1)
Traceroute	388	(1)
Nslookup	389	(1)
Summary	390	(1)
Q&A	391	(2)
HOUR 22: A Day in the Life of a System Administrator	393	(12)
A Day in the Life	394	(2)
Daily Tasks	396	(3)
Strategies for Supporting Users	399	(1)
Establishing Network Policies	400	(1)
Summary	401	(1)
Q&A	402	(3)
Part VI: The Future of Networking
HOUR 23: Wireless Networking	405	(12)
Understanding Wireless Networking	405	(4)
Ethernet 802.11 Wireless	406	(3)
Bluetooth	409	(1)
Using WiFi Technology	409	(2)
Implementing a Wireless Network	411	(1)
Wireless Networks and Security	412	(3)
Summary	415	(1)
Q&A	416	(1)
HOUR 24: Where Are Networks Going from Here?	417	(12)
Linux: Lawsuits and Open Source	417	(4)
The Internet and Regulation	421	(1)
The Advent of IPv6	422	(4)
Wireless Technology Gains Ground	426	(1)
Summary	427	(2)
Glossary	429	(20)
Index	449