x Table of Contents
Mapping Your Wireless Networking Capabilities and Infrastructure. . . . . . . . . . . . . 202
Listing and Connecting to Available Wireless Networks . . . . . . . . . . . . . . . . . 202
Connecting to Public Wireless Networks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Disconnecting a Wireless Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
13 Securing Your Network Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Introducing Windows Security Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Getting to Know Windows Firewall. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Using Windows Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Using Windows Firewall With Advanced Security . . . . . . . . . . . . . . . . . . . . . . 213
Introducing Windows Defender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Getting to Know Windows Defender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Starting and Using Windows Defender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Configuring General Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Scanning the Computer for Spyware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Checking for Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Viewing or Restoring Quarantined Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Viewing or Changing Software Programs That You Allow . . . . . . . . . . . . . . . 232
Turning Windows Defender Off or On. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Part IV
Supporting and Deploying Windows Vista
14 Supporting Windows Vista. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Centrally Managing Computer Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Introducing the Group Policy Management Console . . . . . . . . . . . . . . . . . . . 238
Introducing Important Group Policy Changes . . . . . . . . . . . . . . . . . . . . . . . . . 238
Diagnosing and Resolving Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Introducing Built-In Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Understanding Hardware, Performance, and Memory Diagnostics . . . . . . . 241
Understanding Network Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Introducing Problem Reporting and Assistance . . . . . . . . . . . . . . . . . . . . . . . . 243
Updating Windows Vista Computers: What’s Changed. . . . . . . . . . . . . . . . . . . . . . . . 246
Introducing Windows Update Improvements. . . . . . . . . . . . . . . . . . . . . . . . . . 246
Configuring Windows Update. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Checking for Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Viewing Update History and Installed Updates . . . . . . . . . . . . . . . . . . . . . . . . 249
Improving System Stability and Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Preventing Common Causes of Hangs and Crashes . . . . . . . . . . . . . . . . . . . . 250
Recovering Automatically from Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Recovering Frozen Applications and Releasing Resources Automatically . . 252
A04T622841.fm Page x Wednesday, May 17, 2006 1:51 PM
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