Cisco® Network Professional's: Advanced Internetworking Guide

3.6. Review Questions

1. What IEEE standard is the original version of STP defined in?

   1. 802.2

   2. 802.1d

   3. 802.11

   4. 802.3

2. What piece of information is used by switches to determine the root bridge?

   1. Port ID

   2. Port number

   3. BID

   4. Path cost

3. What value is used to determine the root port of a switch?

   1. Path cost

   2. port ID

   3. BID

   4. Switch name

4. What Cisco-created feature allows a switch to transition a port immediately to forwarding?

   1. UplinkFast

   2. UDLD

   3. PortFast

   4. max_age timer

5. What is the name of the message switches send to determine the topology for STP?

   1. BPDU

   2. Update

   3. Status

   4. PDU

6. What Cisco-proprietary feature was added to speed convergence when a root port is lost?

   1. BPDU Guard

   2. PortFast

   3. UplinkFast

   4. BackboneFast

7. What feature prevents a superior BPDU that is received from affecting the current STP topology?

   1. BPDU Guard ...