. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Chapter 2 Networking 49 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Lesson 1: work Connectivity . . . . . . . . . . . . . . . . . . . . . . 51 How to Use work Diagnostics work Troubleshooting Tools 54 How to Troubleshoot an APIPA Address 60 How to Troubleshoot Connectivity Problems 61 Lesson Summary 68 Lesson Review 68 Lesson 2: Troubleshooting Name Resolution . . . . . . . . . . . . . . . . . . . . . . . . . 70 How to Troubleshoot Name Resolution Problems 70 How to Manage the DNS Cache 72 Lesson Summary 75 Lesson Review 75 A05C627093.indd viii A05C627093.indd viii 2/9/2010 12:25:17 PM 2/9/2010 12:25:17 PM