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Day 31

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

Question 1 of 29

2. Which bridge is elected root?

stp

Question 2 of 29

3. The default port cost for Fast Ethernet is?

Question 3 of 29

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

Question 4 of 29

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

Question 5 of 29

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

Question 6 of 29

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

2014-03-20_15-58-33

Question 7 of 29

8. RSTP is backwards compatible with STP.

Question 8 of 29

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

Question 9 of 29

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

Question 10 of 29

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

Question 11 of 29

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

Question 12 of 29

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

Question 13 of 29

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

Question 14 of 29

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

Question 15 of 29

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

Question 16 of 29

17. The STP Max Age timer is?

Question 17 of 29

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

Question 18 of 29

19. 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 19 of 29

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

Question 20 of 29

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

Question 21 of 29

22. Which port is marked in the below diagram?

AP

Question 22 of 29

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

Question 23 of 29

24. RSTP uses the same BPDU as STP.

Question 24 of 29

25. BPDUs are sent every ___ seconds.

Question 25 of 29

26. STP is defined in ____?

Question 26 of 29

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

Question 27 of 29

28. 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 28 of 29

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

Question 29 of 29