Port Security Quiz: Can You Lock the Switch?

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| By Thames
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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 2, 2026
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1. In 802.1X authentication, what role does the authenticator play?

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About This Quiz
Port Security Quiz: Can You Lock The Switch? - Quiz

Master Port Security (Network+) concepts essential for network administration and security. This quiz evaluates your understanding of switch port protection, access control, VLAN security, port authentication methods, and threat mitigation. Ideal for college-level IT professionals preparing for CompTIA Network+ certification or strengthening hands-on network defense skills.

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2. What is the primary advantage of using 802.1X over static port security MAC address filtering?

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3. Which feature prevents a switch port from becoming a spanning tree root port?

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4. In port security, what happens when the violation mode is set to 'protect'?

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5. What does Root Guard prevent on a switch?

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6. Which attack type does Dynamic ARP Inspection (DAI) protect against?

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7. What is the purpose of DHCP snooping on a switch?

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8. Which command enables port security on a Cisco switch interface?

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9. What is port mirroring (SPAN) primarily used for in network security?

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10. Which protocol is commonly used with 802.1X to transmit authentication credentials securely?

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11. Which protocol enables port-based network access control and requires authentication before allowing traffic on a switch port?

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12. What does BPDU Guard protect against on a switch port?

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13. Which feature prevents a host on one VLAN from directly communicating with a host on another VLAN without a router?

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14. What is the default maximum number of MAC addresses allowed on a switch port when port security is enabled?

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15. Which attack attempts to intercept traffic by spoofing the MAC address of the default gateway?

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16. What is a sticky MAC address in port security?

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17. Which port security violation mode sends a trap but does not disable the port?

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18. What does MAC address flooding attempt to accomplish?

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19. Which action does a switch take when a violation occurs and port security is set to 'shutdown' mode?

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20. What is the primary purpose of port security on a network switch?

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In 802.1X authentication, what role does the authenticator play?
What is the primary advantage of using 802.1X over static port...
Which feature prevents a switch port from becoming a spanning tree...
In port security, what happens when the violation mode is set to...
What does Root Guard prevent on a switch?
Which attack type does Dynamic ARP Inspection (DAI) protect against?
What is the purpose of DHCP snooping on a switch?
Which command enables port security on a Cisco switch interface?
What is port mirroring (SPAN) primarily used for in network security?
Which protocol is commonly used with 802.1X to transmit authentication...
Which protocol enables port-based network access control and requires...
What does BPDU Guard protect against on a switch port?
Which feature prevents a host on one VLAN from directly communicating...
What is the default maximum number of MAC addresses allowed on a...
Which attack attempts to intercept traffic by spoofing the MAC address...
What is a sticky MAC address in port security?
Which port security violation mode sends a trap but does not disable...
What does MAC address flooding attempt to accomplish?
Which action does a switch take when a violation occurs and port...
What is the primary purpose of port security on a network switch?
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