... of the first 12 interfaces and ports of each switch Switch A Port # Switch B 10 11 12 2 -4 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 7.2.6 Copyright 2003, Cisco Systems, Inc ... typing exit, and turn all the devices off Then remove and store the cables and adapter 4- 4 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 7.2.6 Copyright 2003, Cisco Systems, Inc ... Switch_B#show spanning- tree brief 3 -4 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 7.2.6 Copyright 2003, Cisco Systems, Inc c What changes have taken place in the command output?...