Segmentation Quiz: VLAN, DMZ or Air Gap?

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| Attempts: 14 | Questions: 20 | Updated: Jul 2, 2026
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1. A DMZ (demilitarized zone) is primarily designed to protect which systems from direct internet exposure?

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About This Quiz
Segmentation Quiz: VLAN, Dmz Or Air Gap? - Quiz

This quiz evaluates your understanding of Network Segmentation (Security+) strategies, including VLANs, DMZs, and air gaps. Learn how organizations isolate network traffic, protect sensitive systems, and control access between network zones. Essential for security professionals preparing for CompTIA Security+ certification.

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2. An____gap network has no physical or logical connection to other networks.

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3. A____is a network zone that acts as a buffer between the internet and internal systems.

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4. A DMZ is most commonly used to protect which type of server?

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5. What must be configured to allow controlled communication between two VLANs?

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6. A company wants to isolate IoT devices from critical business systems. Which segmentation method is most practical?

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7. An air-gapped network is vulnerable to which attack vector?

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8. What is a key advantage of using VLANs over physical network segmentation?

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9. A DMZ typically sits between which two network zones?

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10. Which technology allows multiple VLANs to communicate across network switches?

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11. An air-gapped system is best suited for which type of environment?

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12. What is the primary purpose of implementing VLANs in a network?

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13. Which segmentation method provides the strongest isolation by physically disconnecting a network from all other networks?

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14. Which network segmentation technique uses logical separation on a single physical switch to divide broadcast domains?

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15. Which segmentation approach requires the most manual data transfer procedures?

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16. In a DMZ architecture, which type of traffic is typically allowed inbound from the internet?

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17. Which protocol is used to identify and manage VLAN membership on trunk links?

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18. VLANs operate at which OSI layer?

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19. Which segmentation technique provides the best protection against lateral movement in a breach?

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20. VLANs help reduce network broadcasts by____.

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A DMZ (demilitarized zone) is primarily designed to protect which...
An____gap network has no physical or logical connection to other...
A____is a network zone that acts as a buffer between the internet and...
A DMZ is most commonly used to protect which type of server?
What must be configured to allow controlled communication between two...
A company wants to isolate IoT devices from critical business systems....
An air-gapped network is vulnerable to which attack vector?
What is a key advantage of using VLANs over physical network...
A DMZ typically sits between which two network zones?
Which technology allows multiple VLANs to communicate across network...
An air-gapped system is best suited for which type of environment?
What is the primary purpose of implementing VLANs in a network?
Which segmentation method provides the strongest isolation by...
Which network segmentation technique uses logical separation on a...
Which segmentation approach requires the most manual data transfer...
In a DMZ architecture, which type of traffic is typically allowed...
Which protocol is used to identify and manage VLAN membership on trunk...
VLANs operate at which OSI layer?
Which segmentation technique provides the best protection against...
VLANs help reduce network broadcasts by____.
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