What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals?
What command will specify IEEE 802.1Q as the encapsulation method for a trunked port on a Cisco IOS switch?
Which command will need to be added to External_A to ensure that it will take over if serial 0/0 on External_B fails?