CCENT Cisco Certified Entry Networking Technician Study Guide: (ICND1 Exam 640-822), 2nd Edition

Chapter 7: Layer 2 Switching

1. A, D, E. Microsegmention is created by having every network segment be its own collision domain, and not a shared medium. Microsegmentation provides full-duplex, no collisions, and more bandwidth for users.
2. C. The command show mac address-table displays the forward/filter table on the switch.
3. A, E. Bridges break up collision domains, which would increase the number of collision domains in a network and also make smaller collision domains.
4. C. To stop unauthorized users from accessing the LAN, you can configure port security on your switch.
5. A, E. When you plug a correct Ethernet cable type into a switch port, the port will turn amber and then turn green after the loop detection mechanism (STP) has converged. The port ...