Sams teach yourself networking in 24 hours

Table of Contents......Page 4
Introduction......Page 14
HOUR 1: An Overview of Networking......Page 16
What Is a Network? What Is Networking?......Page 17
Why Build a Network?......Page 19
The Network Architecture: Combining the Physical and Logical Components......Page 21
Two Varieties of Networks: Local and Wide Area......Page 24
How the Internet Relates to Your Network......Page 26
Connecting to the Internet......Page 27
Why the Internet Matters......Page 28
Q&A......Page 29
Computing Before Computer Networks......Page 32
Networking\'s Breakthrough: Packet-Switched Data......Page 34
Benefits of Networking......Page 38
Summary......Page 40
Q&A......Page 41
Network Protocols......Page 42
The OSI Model (and Why You Should Be Familiar with It)......Page 43
The Internet Model......Page 49
Addresses: Network or Layer 3 Addresses......Page 50
Using Addresses to Relay Traffic......Page 53
Overview of the Principal Protocols......Page 55
IPX......Page 58
Q&A......Page 59
Numbers, Magnitudes, and Fractions......Page 62
Computer Hardware......Page 63
Network Cards......Page 71
Operating System (OS) and Other Software......Page 75
Q&A......Page 82
Elements of a Network......Page 84
The Need for Speed......Page 85
Router......Page 87
The Client/Server Model......Page 92
Server......Page 93
Server Operating Systems......Page 96
Media......Page 101
Summary......Page 104
Q&A......Page 105
What Is a WAN?......Page 108
Components of a WAN......Page 110
User-Network Interface, Inner-Network Interface, and Network-Network Interface......Page 112
Residential Broadband......Page 114
Layer 1 WAN Carrier Systems: T1 and SONET......Page 116
Layer 2 for WANs: ATM and MPLS......Page 121
Putting More Pieces Together......Page 125
Q&A......Page 127
Understanding Wireless Networking......Page 130
A Brief History of Mobile Wireless......Page 132
The Cell Concept......Page 133
Wi-Fi......Page 135
Bluetooth......Page 136
Security Considerations with Wireless Networks......Page 138
Implementation Considerations......Page 139
Q&A......Page 140
Early \"Remote Control\"......Page 142
Remote Control for System Administration......Page 143
Modems and Remote Access......Page 144
Modern Remote Access Protocols and Procedures......Page 145
The Point-to-Point Protocol (PPP)......Page 146
Using the Internet for Remote Access: The VPN......Page 150
Remote Access Hardware: Build or Buy?......Page 151
Q&A......Page 153
Best Practices and Building Computer Networks......Page 156
Planning Best Practices: Plan, Design, Implement, and Tune......Page 158
Applying the Best Practices......Page 160
Interoperability by Using Standards......Page 162
Improving Security Using Best Practices......Page 163
Q&A......Page 166
HOUR 10: Designing a Network......Page 168
Step 1: Identify the Uses of the Network......Page 169
Step 2: List Which Tasks Execute on Which Computers......Page 172
Step 3: Select the Type of Network: To Centralize or Not to Centralize......Page 174
Step 4: \"Draw\" the Network......Page 180
Step 5: Write the Specification......Page 187
Step 6: Build the Network......Page 189
Q&A......Page 190
HOUR 11: Selecting Network Hardware and Software......Page 192
Evaluating the Server Hardware......Page 193
Evaluating the \"Interworking\" Hardware......Page 194
Hardware Selection Considerations for Ethernet Networks......Page 195
Selecting the Network Type: Client/Server or Peer to Peer......Page 198
Peer-to-Peer OSs......Page 201
Peer-to-Peer Networking with Microsoft Windows......Page 202
Evaluating NOSs......Page 205
The Network \"Bottleneck\"......Page 209
A Word Regarding Network Protocols......Page 210
Q&A......Page 211
Before Installation......Page 212
Installing Adapter Cards......Page 215
Working with Wiring......Page 220
Q&A......Page 223
HOUR 13: Network Applications......Page 224
Introduction to Groupware......Page 225
Email......Page 226
Scheduling and Calendars......Page 232
Contact Management......Page 234
A Sampler of Network-Based Applications......Page 236
Summary......Page 241
Q&A......Page 242
Origins of the Internet......Page 244
ISPs......Page 246
IXPs......Page 247
BGP......Page 248
Peering......Page 249
Considerations for Choosing an ISP......Page 250
How and Why TCP/IP Was Created......Page 251
Ports......Page 253
Sockets......Page 254
IP Features......Page 255
TCP Features......Page 256
Summary......Page 257
Q&A......Page 258
The DNS......Page 260
IP Addresses......Page 268
Getting Your IP Addresses......Page 271
Configuring Network Devices with IP Addresses......Page 272
DHCP......Page 274
The Web......Page 277
Ideas for Establishing a Website......Page 280
Summary......Page 282
Q&A......Page 283
HOUR 16: Microsoft Networking......Page 284
Microsoft\'s Logical Network Structure......Page 285
Installing and Configuring a Microsoft Server......Page 287
Configuring Network Protocols in Windows......Page 293
Sharing Folders and Printers on the Network......Page 295
Managing a Microsoft Server......Page 298
Future of Windows Server 2003......Page 299
Q&A......Page 300
How UNIX Got Its Start......Page 302
Basic UNIX Concepts......Page 304
UNIX/LINUX as a Network Platform......Page 305
Network Services and Settings on a Linux Server......Page 306
Options for Sharing Files......Page 308
Summary of Network Servers......Page 310
Q&A......Page 311
Review of Internet Layered Model......Page 314
Key Network Components\' Position in the Layers......Page 315
Names, Addresses, and Sockets: The Cogs of Communications......Page 317
Relationships of Names, Addresses, and Sockets......Page 318
Common Locations of Components at Network Interfaces......Page 319
HOUR 19: Role of the Network Administrator......Page 322
Information Technology Jobs......Page 323
Computer Networking Education and Certification......Page 324
A Few Thoughts on Budgets......Page 326
Managing Network Projects......Page 328
Summary......Page 330
Q&A......Page 331
HOUR 20: Security......Page 332
Basic Terms......Page 333
Security Threats......Page 334
Security Defenses......Page 335
Securing the Internal Network......Page 336
Dealing with Viruses......Page 341
Protecting the Internal Network from External Attacks......Page 343
Other Key Security Protocols......Page 345
Wireless Networks......Page 348
Best Practices for Securing a Network......Page 349
Summary......Page 350
Q&A......Page 351
Upgrading the Network......Page 352
Managing Hardware Upgrades and Growth......Page 353
Managing Software Upgrades and Growth......Page 354
Dealing with NOS and Client Licensing......Page 356
Backing Up Network Data......Page 358
Network and Disaster Recovery Planning......Page 362
Summary......Page 366
Q&A......Page 367
MIBs and SNMP......Page 368
Troubleshooting Routers......Page 369
Monitoring Server Hardware......Page 370
Processor Performance......Page 371
Hard Drive Performance and Space......Page 374
Memory Utilization......Page 376
Using Event Logs to Track Problems......Page 377
TCP/IP Connectivity Command-Line Tools......Page 379
Summary......Page 384
Q&A......Page 385
Your Job as an Administrator......Page 386
Daily Tasks......Page 389
Strategies for Supporting Users......Page 391
Establishing Network Policies......Page 392
Q&A......Page 393
Continued Growth of Linux......Page 396
Nationwide Variation of Wi-Fi: WiMax......Page 397
Computing with Clouds......Page 398
Computers, Bioengineering, and the Clouds......Page 399
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W......Page 408
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V......Page 428
W-X-Y-Z......Page 429