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Cisco CCNA in 60 Days

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Day 31

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

Question 1 of 29

2. The STP Max Age timer is?

Question 2 of 29

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

Question 3 of 29

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

Question 4 of 29

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

Question 5 of 29

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

Question 6 of 29

7. BPDUs are sent every ___ seconds.

Question 7 of 29

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

Question 8 of 29

9. 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 9 of 29

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

Question 10 of 29

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

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

Question 13 of 29

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

Question 14 of 29

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

Question 15 of 29

16. 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 16 of 29

17. The default port cost for Fast Ethernet is?

Question 17 of 29

18. Which port is marked in the below diagram?

AP

Question 18 of 29

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

Question 19 of 29

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

Question 20 of 29

21. RSTP uses the same BPDU as STP.

Question 21 of 29

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

2014-03-20_15-58-33

Question 22 of 29

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

Question 23 of 29

24. RSTP is backwards compatible with STP.

Question 24 of 29

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

Question 25 of 29

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

Question 26 of 29

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

Question 27 of 29

28. Which bridge is elected root?

stp

Question 28 of 29

29. STP is defined in ____?

Question 29 of 29