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You are here: Home / SWITCH / Module 3 / Module 3 – Exam

Module 3 – Exam

1. Which of the following statements are TRUE in regards to the BPDU Guard and BPDU Filter STP Enhancements?

 
 
 
 
 
 

Question 1 of 21

2. Which of the following statements about STP timers are TRUE?

 
 
 
 
 
 
 

Question 2 of 21

3. A switch has just booted up. By default, the switch will send out BPDUs. To which adress will these BPDUs be sent?

 
 
 
 

Question 3 of 21

4. Click on the Exhibit.

3-whatcommand

What command produced the output illustrated in the Exhibit?

 
 
 
 
 
 

Question 4 of 21

5. When the udld enable global configuration command is executed, for what type of ports is UDLD enabled?

 
 
 
 

Question 5 of 21

6. Click on the Exhibit.

3-basedontheparameter

Based on the parameters illustrated in the Exhibit, which switch will be elected Root Bridge for VLAN 1?

 
 

Question 6 of 21

7. The TCN flag instructs all switches to shorten their MAC address table aging process from the default value of 500 seconds to the current Forward Delay value, which is 15 seconds

 
 

Question 7 of 21

8. The Flag field in the Configuration BPDU is used for the Topology Change (TC) and Topology Change Acknowledgement (ACK) flags.  What is FALSE in regards to the LSB and MSB?

 
 
 
 

Question 8 of 21

9. Implementing Spanning Tree Protocol GUARANTEES that a loop-free network topology will be created.

 
 

Question 9 of 21

10. What standard introduced the extended system ID to conserve MAC addresses, while still allowing for a unique BID for each VLAN?

 
 
 
 

Question 10 of 21

11. Which 802.1D timer is modified by every switch that receives and propagates a BPDU?

 
 
 
 

Question 11 of 21

12. Which of the following statements are FALSE?

 
 
 
 

Question 12 of 21

13. What two types of Root Link Querys (RLQs) are used during Backbone Fast operation?

 
 
 
 
 
 

Question 13 of 21

14. Under what two conditions is a TCN BPDU originated by a switch?

 
 
 
 

Question 14 of 21

15. What assumptions does STP make about the network?

 
 
 
 
 

Question 15 of 21

16. With Backbone Fast, when does failover occur?

 
 
 
 

Question 16 of 21

17. What is TRUE in regards to Configuration BPDUs with the TCN bit set?

 
 
 
 

Question 17 of 21

18. What are the two UDLD modes of operation?

 
 
 
 
 
 

Question 18 of 21

19. What variables determine the topology of an active switched network?

 
 
 
 
 

Question 19 of 21

20. Which of the following statements is TRUE in regards to Configuration BPDUs?

 
 
 
 
 
 

Question 20 of 21

21. Which statements pertaining to Loop Guard are FALSE?

 
 
 
 

Question 21 of 21

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