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How does STP provide a loop-free network? By placing all ports in the blocking state By placing all bridges in the blocking state By placing some ports in the blocking state By placing some bridges in the blocking state. How does STP provide a loop-free network? - PowerPoint PPT Presentation
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Cisco 3 - Switch
Perrine. J Page 104/19/23
Chapter 7
How does STP provide a loop-free network?
1. By placing all ports in the blocking state
2. By placing all bridges in the blocking state
3. By placing some ports in the blocking state
4. By placing some bridges in the blocking state
Cisco 3 - Switch
Perrine. J Page 204/19/23
Chapter 7
How does STP provide a loop-free network?
1. By placing all ports in the blocking state
2. By placing all bridges in the blocking state
3. By placing some ports in the blocking state
4. By placing some bridges in the blocking state
Cisco 3 - Switch
Perrine. J Page 304/19/23
Chapter 7
What elements will exist in a converged network with one spanning tree? (Choose two.)
1. one root bridge per network
2. all non-designated ports forwarding
3. one root port per non-root bridge
4. multiple designated ports per segment
5. one designated port per network
Cisco 3 - Switch
Perrine. J Page 404/19/23
Chapter 7
What elements will exist in a converged network with one spanning tree? (Choose two.)
1. one root bridge per network
2. all non-designated ports forwarding
3. one root port per non-root bridge
4. multiple designated ports per segment
5. one designated port per network
Cisco 3 - Switch
Perrine. J Page 504/19/23
Chapter 7
Which port role specifies a forwarding port that is elected for every switched LAN segment when using Rapid Spanning Tree Protocol?
1. Root
2. Backup
3. Alternate
4. Designated
Cisco 3 - Switch
Perrine. J Page 604/19/23
Chapter 7
Which port role specifies a forwarding port that is elected for every switched LAN segment when using Rapid Spanning Tree Protocol?
1. Root
2. Backup
3. Alternate
4. Designated
Cisco 3 - Switch
Perrine. J Page 704/19/23
Chapter 7
In which STP state does a port record MAC addresses but not forward user data?
1. blocking
2. learning
3. disabling
4. listening
5. forwarding
Cisco 3 - Switch
Perrine. J Page 804/19/23
Chapter 7
In which STP state does a port record MAC addresses but not forward user data?
1. blocking
2. learning
3. disabling
4. listening
5. forwarding
Cisco 3 - Switch
Perrine. J Page 904/19/23
Chapter 7
How is the information contained in BPDUs used by switches? (Choose two.)
1. to prevent loops by sharing bridging tables between connected switches
2. to set the duplex mode of a redundant link
3. to determine the shortest path to the root bridge
4. to determine which ports will forward frames as part of the spanning tree
5. to activate looped paths throughout the network
Cisco 3 - Switch
Perrine. J Page 1004/19/23
Chapter 7
How is the information contained in BPDUs used by switches? (Choose two.)
1. to prevent loops by sharing bridging tables between connected switches
2. to set the duplex mode of a redundant link
3. to determine the shortest path to the root bridge
4. to determine which ports will forward frames as part of the spanning tree
5. to activate looped paths throughout the network
Cisco 3 - Switch
Perrine. J Page 1104/19/23
Chapter 7
In what state can a port populate its MAC address table but not forward user frames?
1. Learning state
2. Blocking state
3. Listening state
4. Forwarding state
Cisco 3 - Switch
Perrine. J Page 1204/19/23
Chapter 7
In what state can a port populate its MAC address table but not forward user frames?
1. Learning state
2. Blocking state
3. Listening state
4. Forwarding state
Cisco 3 - Switch
Perrine. J Page 1304/19/23
Chapter 7
What is Rapid Spanning Tree Protocol equivalent state to the Spanning Tree Protocol blocking state?
1. Blocking
2. Dropping
3. Discarding
4. Forwarding
Cisco 3 - Switch
Perrine. J Page 1404/19/23
Chapter 7
What is Rapid Spanning Tree Protocol equivalent state to the Spanning Tree Protocol blocking state?
1. Blocking
2. Dropping
3. Discarding
4. Forwarding
Cisco 3 - Switch
Perrine. J Page 1504/19/23
Chapter 7
What happens when there is a topology change on a network that utilizes STP ? (Choose two.)
1. User traffic is disrupted until recalculation is complete.
2. The switch recomputes the Spanning Tree topology after the network converges.
3. All ports are placed in learning state until convergence has occurred.
4. A delay of up to 50 seconds is incurred for convergence of the new Spanning Tree topology.
5. User data is forwarded while BPDUs are exchanged to recompute the topology
Cisco 3 - Switch
Perrine. J Page 1604/19/23
Chapter 7
What happens when there is a topology change on a network that utilizes STP ? (Choose two.)
1. User traffic is disrupted until recalculation is complete.
2. The switch recomputes the Spanning Tree topology after the network converges.
3. All ports are placed in learning state until convergence has occurred.
4. A delay of up to 50 seconds is incurred for convergence of the new Spanning Tree topology.
5. User data is forwarded while BPDUs are exchanged to recompute the topology
Cisco 3 - Switch
Perrine. J Page 1704/19/23
Chapter 7
Which of the following describe the BIDs used in a spanning tree topology? (Choose two.)
1. They are sent out by the root bridge only after the inferior BPDUs are sent.
2. They consist of a bridge priority and MAC address.
3. Only the root bridge will send out a BID.
4. They are used by the switches in a spanning tree topology to elect the root bridge.
5. The switch with the fastest processor will have the lowest BID.
Cisco 3 - Switch
Perrine. J Page 1804/19/23
Chapter 7
Which of the following describe the BIDs used in a spanning tree topology? (Choose two.)
1. They are sent out by the root bridge only after the inferior BPDUs are sent.
2. They consist of a bridge priority and MAC address.
3. Only the root bridge will send out a BID.
4. They are used by the switches in a spanning tree topology to elect the root bridge.
5. The switch with the fastest processor will have the lowest BID.
Cisco 3 - Switch
Perrine. J Page 1904/19/23
Chapter 7
On the root bridge, all ports are _______?
1. Root ports
2. Blocked ports
3. Designated ports
4. Non-designated ports
Cisco 3 - Switch
Perrine. J Page 2004/19/23
Chapter 7
On the root bridge, all ports are _______?
1. Root ports
2. Blocked ports
3. Designated ports
4. Non-designated ports
Cisco 3 - Switch
Perrine. J Page 2104/19/23
Chapter 7
What link types have been defined for Rapid Spanning-Tree Protocol? (Choose three.)
1. shared
2. end-to-end
3. edge-type
4. boundary-type
5. point-to-many
6. point-to-point
Cisco 3 - Switch
Perrine. J Page 2204/19/23
Chapter 7
What link types have been defined for Rapid Spanning-Tree Protocol? (Choose three.)
1. shared
2. end-to-end
3. edge-type
4. boundary-type
5. point-to-many
6. point-to-point
Cisco 3 - Switch
Perrine. J Page 2304/19/23
Chapter 7
How much time does it take for a switch port to go from the blocking state to the forwarding state?
1. 2 seconds
2. 15 seconds
3. 20 seconds
4. 50 seconds
Cisco 3 - Switch
Perrine. J Page 2404/19/23
Chapter 7
How much time does it take for a switch port to go from the blocking state to the forwarding state?
1. 2 seconds
2. 15 seconds
3. 20 seconds
4. 50 seconds
Cisco 3 - Switch
Perrine. J Page 2504/19/23
Chapter 7
What features of the Spanning-Tree Protocol contribute to the time it takes for a switched network to converge after a topology change occurs? (Choose three.)
1. the max-age timer
2. the listening forward delay
3. the spanning-tree hold down timer
4. the learning forward delay
5. the spanning-tree path cost
6. the blocking delay
Cisco 3 - Switch
Perrine. J Page 2604/19/23
Chapter 7
What features of the Spanning-Tree Protocol contribute to the time it takes for a switched network to converge after a topology change occurs? (Choose three.)
1. the max-age timer
2. the listening forward delay
3. the spanning-tree hold down timer
4. the learning forward delay
5. the spanning-tree path cost
6. the blocking delay
