CCNA 3 Chapter 5 V4.0 Answers
1. Which two criteria does a switch use to select the root bridge? (Choose two.)
number of ports
base MAC address
2. Which two statements are true about the default operation of STP in a Layer 2
switched environment that has redundant connections between switches? (Choose two.)
The root switch is the switch with the highest speed ports.
Decisions on which port to block when two ports have equal cost depend on the port
priority and identity.
All trunking ports are designated and not blocked.
Root switches have all ports set as root ports.
Non-root switches each have only one root port.