CCNA3 Chapter 3 Exam - Online Assessment
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CCNA3 Chapter 3 Exam – Online Assessment
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Question 1 of 25
1. Question
Which two network design features require Spanning Tree Protocol (STP) to ensure correct network operation? (Choose two.)
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Question 2 of 25
2. Question
What is the outcome of a Layer 2 broadcast storm?
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Question 3 of 25
3. Question
What is the purpose of the Spanning Tree Protocol (STP)?Correct
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Question 4 of 25
4. Question
What is a characteristic of a Layer 2 loop?Correct
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Question 5 of 25
5. Question
What additional information is contained in the 12-bit extended system ID of a BPDU?Correct
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Question 6 of 25
6. Question
Which three components are combined to form a bridge ID?Correct
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Question 7 of 25
7. Question
Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.)
CCNA3 v6.0 Chapter 3 Exam 03
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Question 8 of 25
8. Question
Refer to the exhibit. Which trunk link will not forward any traffic after the root bridge election process is complete?
CCNA3 v6.0 Chapter 3 Exam 01
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Question 9 of 25
9. Question
Which protocol provides up to 16 instances of RSTP, combines many VLANs with the same physical and logical topology into a common RSTP instance, and provides support for PortFast, BPDU guard, BPDU filter, root guard, and loop guard?Correct
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Question 10 of 25
10. Question
Which Cisco switch feature ensures that configured switch edge ports do not cause Layer 2 loops if a port is mistakenly connected to another switch?Correct
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Question 11 of 25
11. Question
Which two types of spanning tree protocols can cause suboptimal traffic flows because they assume only one spanning-tree instance for the entire bridged network? (Choose two.)Correct
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Question 12 of 25
12. Question
Which spanning tree standard supports only one root bridge so that traffic from all VLANs flows over the same path?Correct
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Question 13 of 25
13. Question
What is an advantage of PVST+?Correct
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Question 14 of 25
14. Question
In which two port states does a switch learn MAC addresses and process BPDUs in a PVST network? (Choose two.)Correct
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Question 15 of 25
15. Question
If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge?Correct
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Question 16 of 25
16. Question
Which RSTP ports are connected to end devices?Correct
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Question 17 of 25
17. Question
A network administrator is preparing the implementation of Rapid PVST+ on a production network. How are the Rapid PVST+ link types determined on the switch interfaces?Correct
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Question 18 of 25
18. Question
Which port state will switch ports immediately transition to when configured for PortFast?Correct
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Question 19 of 25
19. Question
Which STP priority configuration would ensure that a switch would always be the root switch?Correct
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Question 20 of 25
20. Question
Refer to the exhibit. What is the role of the SW3 switch?
CCNA3 v6.0 Chapter 3 Exam 02
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Question 21 of 25
21. Question
To obtain an overview of the spanning tree status of a switched network, a network engineer issues the show spanning-tree command on a switch. Which two items of information will this command display? (Choose two.)
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Question 22 of 25
22. Question
What port type is used to interconnect switches in a switch stack?Correct
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Question 23 of 25
23. Question
Match the spanning-tree feature with the protocol type. (Not all options are used.)
Sort elements
- PVST+
- RSTP
- MSTP
- MST
- Rapid PVST+
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Cisco implementation of IEEE 802.1D
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Fast converging enhancement of IEEE 802.1D
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IEEE standard that reduces the number of STP instances
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Proprietary per VLAN implementation of IEEE 802.1w
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Question 24 of 25
24. Question
Fill in the blank. Do not use abbreviations.
The spanning-tree ………………….. global configuration command is used to enable Rapid PVST+.Correct
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Question 25 of 25
25. Question
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Which switch is the root bridge?Correct
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