... Ethernet 142LAN Standards 143Bridging, Switching, and Spanning Tree 145Transparent Bridging 145LAN Switching 148Comparison of LAN Segmentation Using Bridges, Switches, and Routers 155Spanning ... Certification Guide Wendell Odom, CCIE #1624 fm.fm Page i Monday, March 20, 2000 4:55 PM x Answers to Task 2 for Scenario 3-1 124Answers to Task 3 for Scenario 3-1 126 Chapter 4 Bridges/Switches ... Switches, and Routers 155Spanning Tree 158Virtual LANs 171VLAN Summary 177LAN Switch Configuration 177Basic 1900 Switch Configuration 178Basic VLAN Configuration 187VLAN Trunking Protocol (VTP)...