Networking Spanning Tree Protocol Online Test – Networking Free Tests
Networking Spanning Tree Protocol Online Test
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Networking Spanning Tree Protocol Online Test. Networking Question and Answers in English. Networking Spanning Tree Protocol Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Networking Spanning Tree Protocol Online Quiz. Networking Online Mock test for Spanning Tree Protocol Topic. Here we are providing Networking Spanning Tree Protocol Online Test Series in English. Check Networking Mock Test Series 2019-2019.
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Question 1 of 16
1. Question
What is the purpose of Spanning Tree Protocol in a switched LAN?
Correct
The Spanning Tree Protocol (STP) was designed to stop layer 2 loops. All Cisco switches have the STP on by default.
Incorrect
The Spanning Tree Protocol (STP) was designed to stop layer 2 loops. All Cisco switches have the STP on by default.
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Question 2 of 16
2. Question
Which statement describes a spanning-tree network that has converged?
Correct
Convergence occurs when all ports on bridges and switches have transitioned to either the forwarding or blocking states. No data is forwarded until convergence is complete. Before data can be forwarded again, all devices must be updated.
Incorrect
Convergence occurs when all ports on bridges and switches have transitioned to either the forwarding or blocking states. No data is forwarded until convergence is complete. Before data can be forwarded again, all devices must be updated.
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Question 3 of 16
3. Question
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?
Correct
Switches flood all frames that have an unknown destination address. If a device answers the frame, the switch will update the MAC address table to reflect the location of the device.
Incorrect
Switches flood all frames that have an unknown destination address. If a device answers the frame, the switch will update the MAC address table to reflect the location of the device.
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Question 4 of 16
4. Question
In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?
Correct
If the Spanning Tree Protocol is not running on your switches and you connect them together with redundant links, you will have broadcast storms and multiple frame copies.
Incorrect
If the Spanning Tree Protocol is not running on your switches and you connect them together with redundant links, you will have broadcast storms and multiple frame copies.
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Question 5 of 16
5. Question
If you want to disable STP on a port connected to a server, which command would you use?
Correct
If you have a server or other devices connected into your switch that you’re totally sure won’t create a switching loop if STP is disabled, you can use something called portfast on these ports. Using it means the port won’t spend the usual 50 seconds to come up while STP is converging.Incorrect
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Question 6 of 16
6. Question
Which of the following statement is true?
Correct
Switches break up collision domains, and routers break up broadcast domains.
Incorrect
Switches break up collision domains, and routers break up broadcast domains.
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Question 7 of 16
7. Question
You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?
Correct
If spanning tree is disabled on a switch and you have redundant links to another switch, broadcast storms will occur, among other possible problems.
Incorrect
If spanning tree is disabled on a switch and you have redundant links to another switch, broadcast storms will occur, among other possible problems.
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Question 8 of 16
8. Question
Layer 2 switching provides which of the following?
- Hardware-based bridging (ASIC)
- Wire speed
- Low latency
- Low cost
Correct
Switches, unlike bridges, are hardware based. Cisco says its switches are wire speed and provide low latency, and I guess they are low cost compared to their prices in the 1990s.
Incorrect
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Question 9 of 16
9. Question
Your switch has a port status LED that is alternating between green and amber. What could this indicate?
Correct
When you connect to a switch port, at first the link lights are orange/amber, and then they turn green, indicating normal operation. If the link light is blinking, you have a problem.
Incorrect
When you connect to a switch port, at first the link lights are orange/amber, and then they turn green, indicating normal operation. If the link light is blinking, you have a problem.
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Question 10 of 16
10. Question
You want to run the new 802.1w on your switches. Which of the following would enable this protocol?
Correct
802.1w is the also called Rapid Spanning Tree Protocol. It is not enabled by default on Cisco switches, but it is a better STP to run since it has all the fixes that the Cisco extensions provide with 802.1d.
Incorrect
802.1w is the also called Rapid Spanning Tree Protocol. It is not enabled by default on Cisco switches, but it is a better STP to run since it has all the fixes that the Cisco extensions provide with 802.1d.
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Question 11 of 16
11. Question
Which of the following is a layer 2 protocol used to maintain a loop-free network?
Correct
The Spanning Tree Protocol is used to stop switching loops in a switched network with redundant paths.
Incorrect
The Spanning Tree Protocol is used to stop switching loops in a switched network with redundant paths.
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Question 12 of 16
12. Question
You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?
- Switch(config-if)# ip access-group 10
- Switch(config-if)# switchport port-security maximum 1
- Switch(config)# access-list 10 permit ip host 1
- Switch(config-if)# switchport port-security violation shutdown
- Switch(config)# mac-address-table secure
Correct
The switchport port-security is an important command, and it’s super easy with the CNA; however, from the CLI, you can set the maximum number of MAC addresses allowed into the port, and then set the penalty if this maximum has been passed.Incorrect
The switchport port-security is an important command, and it’s super easy with the CNA; however, from the CLI, you can set the maximum number of MAC addresses allowed into the port, and then set the penalty if this maximum has been passed. -
Question 13 of 16
13. Question
What command will display the forward/filter table?
Correct
The command show mac address-table displays the forward/filter table on the switch.Incorrect
The command show mac address-table displays the forward/filter table on the switch. -
Question 14 of 16
14. Question
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
Correct
Since the source MAC address is not in the MAC address table, the switch will add the source address and the port it is connected to into the MAC address table and then forward the frame to the outgoing port.
Incorrect
Since the source MAC address is not in the MAC address table, the switch will add the source address and the port it is connected to into the MAC address table and then forward the frame to the outgoing port.
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Question 15 of 16
15. Question
What is the result of segmenting a network with a bridge (switch)?
1. It increases the number of collision domains.
2. It decreases the number of collision domains.
3. It increases the number of broadcast domains.
4. It decreases the number of broadcast domains.
5. It makes smaller collision domains.
6. It makes larger collision domains.Correct
Bridges break up collision domains, which would increase the number of collision domains in a network and also make smaller collision domains.
Incorrect
Bridges break up collision domains, which would increase the number of collision domains in a network and also make smaller collision domains.
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Question 16 of 16
16. Question
What are the distinct functions of layer 2 switching that increase available bandwidth on the network?
- Address learning
- Routing
- Forwarding and filtering
- Creating network loops
- Loop avoidance
- IP addressing
Correct
Layer 2 features include address learning, forwarding and filtering of the network, and loop avoidance.
Incorrect
Layer 2 features include address learning, forwarding and filtering of the network, and loop avoidance.