Switching Quiz: Can You Master MAC Tables, STP & Trunking?

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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 2, 2026
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1. What is the native VLAN on a trunk port by default?

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About This Quiz
Switching Quiz: Can You Master Mac Tables, Stp & Trunking? - Quiz

Test your understanding of essential Switching Concepts (Network+) including MAC address tables, Spanning Tree Protocol, and VLAN trunking. This quiz covers critical layer 2 switching mechanics that network professionals must master for reliable network design and troubleshooting. Ideal for college-level networking students preparing for CompTIA certification or hands-on switch configuration.

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2. Which feature allows multiple physical links to be combined into a single logical link for increased bandwidth?

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3. In a switched network, what is the maximum number of VLANs supported by 802.1Q?

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4. What does BPDU stand for in the context of STP?

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5. Which of the following is a valid reason a switch port enters blocking state in STP?

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6. A MAC address table entry is typically removed after what time period of inactivity?

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7. In RSTP, what is the default hello time interval?

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8. Which STP variant is designed to provide faster convergence in modern networks?

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9. What happens when a frame arrives on a trunk port without a VLAN tag?

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10. Which command on a Cisco switch configures a port as a trunk?

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11. What is the primary purpose of a MAC address table in a network switch?

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12. In 802.1Q tagging, how many bits are used to identify the VLAN ID?

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13. Which VLAN tagging standard is most commonly used in modern networks?

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14. What is the primary function of a trunk port on a network switch?

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15. Which STP port state allows a port to learn MAC addresses but not forward data frames?

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16. A designated port in STP is selected based on which criteria?

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17. What is the default priority value used in STP bridge selection?

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18. In STP, which port role is responsible for forwarding frames toward the root bridge?

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19. Which protocol is responsible for preventing switching loops in a network?

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20. When a switch receives a frame with an unknown destination MAC address, what action does it take?

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What is the native VLAN on a trunk port by default?
Which feature allows multiple physical links to be combined into a...
In a switched network, what is the maximum number of VLANs supported...
What does BPDU stand for in the context of STP?
Which of the following is a valid reason a switch port enters blocking...
A MAC address table entry is typically removed after what time period...
In RSTP, what is the default hello time interval?
Which STP variant is designed to provide faster convergence in modern...
What happens when a frame arrives on a trunk port without a VLAN tag?
Which command on a Cisco switch configures a port as a trunk?
What is the primary purpose of a MAC address table in a network...
In 802.1Q tagging, how many bits are used to identify the VLAN ID?
Which VLAN tagging standard is most commonly used in modern networks?
What is the primary function of a trunk port on a network switch?
Which STP port state allows a port to learn MAC addresses but not...
A designated port in STP is selected based on which criteria?
What is the default priority value used in STP bridge selection?
In STP, which port role is responsible for forwarding frames toward...
Which protocol is responsible for preventing switching loops in a...
When a switch receives a frame with an unknown destination MAC...
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