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Cisco CCNA in 60 Days

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Day 31

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

Question 1 of 29

2. 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 2 of 29

3. 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 3 of 29

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

Question 4 of 29

5. RSTP is backwards compatible with STP.

Question 5 of 29

6. RSTP uses the same BPDU as STP.

Question 6 of 29

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

Question 7 of 29

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

Question 8 of 29

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

Question 9 of 29

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

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

Question 12 of 29

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

Question 13 of 29

14. Which port is marked in the below diagram?

AP

Question 14 of 29

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

Question 15 of 29

16. The default port cost for Fast Ethernet is?

Question 16 of 29

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

Question 17 of 29

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

Question 18 of 29

19. BPDUs are sent every ___ seconds.

Question 19 of 29

20. The STP Max Age timer is?

Question 20 of 29

21. Which bridge is elected root?

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

Question 23 of 29

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

Question 24 of 29

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

Question 25 of 29

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

Question 26 of 29

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

Question 27 of 29

28. STP is defined in ____?

Question 28 of 29

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

Question 29 of 29