Which of the following is a type of VLAN membership?

Question

Options

• AProtocol-based
• BSession-based
• CPort-based
• DTime-based
• EApplication-based

• A
  94% (31)
• B
  3% (1)
• D
  3% (1)

Explanation

Protocol-based VLAN membership (A) is a recognized standard - defined in IEEE 802.1v - where devices are grouped into VLANs based on the Layer 3 protocol they use (e.g., IP, IPX, AppleTalk), making it a legitimate VLAN membership method. It's worth noting that port-based (C) is also a real and widely-used VLAN membership type (static assignment by switch port), so if you see this question on your specific exam, double-check the source, as C is not a distractor in most networking curricula. Session-based (B) and time-based (D) are not VLAN membership models - they describe other networking or access-control concepts but have no defined role in VLAN assignment. Application-based (E) is similarly not a standard VLAN membership category, though application-aware policies exist in other contexts like QoS.

Memory tip: The real VLAN membership types cluster around identity attributes - port (where you're plugged in), MAC address (who you are at Layer 2), and protocol (what language you speak at Layer 3). If a choice doesn't map to a device/port attribute, it's almost certainly a distractor.

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