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Day 31

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1. The BPDU Guard feature prevents the port from receiving any BPDUs but does not prevent it from sending them. If any BPDUs are received, the port will be errdisabled.

Question 1 of 29

2. Per VLAN Spanning Tree Plus (PVST+) allows for an individual STP instance per VLAN.

Question 2 of 29

3. The STP Bridge Priority values range from 0 to _____.

Question 3 of 29

4. What type of port is obscured in the below fig?

2014-03-20_15-58-33

Question 4 of 29

5. Switches determine the best Configuration BPDU based on the following four factors which order?:
  1. Lowest Root Bridge ID
  2. Lowest Root path cost to Root Bridge
  3. Lowest sender Bridge ID
  4. Lowest sender Port ID

Question 5 of 29

6. STP is defined in ____?

Question 6 of 29

7. Which port is marked in the below diagram?

AP

Question 7 of 29

8. BPDUs are sent every ___ seconds.

Question 8 of 29

9. RSTP port roles include (choose all that apply)

Question 9 of 29

10. The STP Max Age timer is?

Question 10 of 29

11. Which bridge is elected root?

stp

Question 11 of 29

12. All your switches are left at default settings. Which of the below commands will set your switch to be the STP root?

Question 12 of 29

13. STP uses the exchange of BPDUs to determine the network topology, which is determined by the following three variables:

Question 13 of 29

14. In the spanning tree forwarding state the switch _____ frames received from the attached segment.

Question 14 of 29

15. The default port cost for Fast Ethernet is?

Question 15 of 29

16. BPDU Guard should be enabled on all ports with Port Fast enabled.

Question 16 of 29

17. The Root Guard feature prevents a Root Port from becoming a Designated Port.

Question 17 of 29

18. RSTP uses the same BPDU as STP.

Question 18 of 29

19. STP port Listening state can be mapped to RSTP ____ state.

Question 19 of 29

20. The Port Fast feature does effectively disables Spanning Tree on the selected port.

Question 20 of 29

21. All your switches are left at default settings. Which of the below commands will set your switch to be the STP root?

Question 21 of 29

22. In the spanning tree listening state the switch discards frames received on the port from the attached segment.

Question 22 of 29

23. RSTP performs similar functions to Uplink Fast and Backbone Fast.

Question 23 of 29

24. The Uplink Fast feature provides faster failover to a redundant link when the indirect link fails.

Question 24 of 29

25. RSTP is backwards compatible with STP.

Question 25 of 29

26. When configured at interface level BPDU Filter effectively disables STP on the selected ports by preventing them from sending or receiving any BPDUs.

Question 26 of 29

27. STP port states include (choose all that apply).

Question 27 of 29

28. In the spanning tree learning state the switch discards frames received from the attached segment.

Question 28 of 29

29. Port Fast is a feature that is typically enabled only for a port or interface that connects to a switch.

Question 29 of 29