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H12-311_V3.0 · Question #131

For WLAN networking diagram, which of the following description is wrong?

The correct answer is D. It is not possible to use the aggregation switch to assign IP addresses to STAs. Option D is the wrong statement because an aggregation switch can absolutely be configured as a DHCP server to assign IP addresses to STAs (wireless client stations); this is a common and supported deployment practice in enterprise WLAN architectures. Option A is correct…

WLAN Planning and Deployment

Question

For WLAN networking diagram, which of the following description is wrong?

Options

  • AThe picture shows side-mounted networking
  • BThe PVIDA of the management VLAN can be configured on the access switch.
  • CYou can use AC as a DHCP Server to assign IP addresses to APs
  • DIt is not possible to use the aggregation switch to assign IP addresses to STAs

How the community answered

(35 responses)
  • A
    14% (5)
  • B
    3% (1)
  • C
    9% (3)
  • D
    74% (26)

Explanation

Option D is the wrong statement because an aggregation switch can absolutely be configured as a DHCP server to assign IP addresses to STAs (wireless client stations); this is a common and supported deployment practice in enterprise WLAN architectures. Option A is correct because the side-mounted (bypass) topology is a standard WLAN design where the AC connects to the network in parallel rather than inline, and the diagram reflects this. Option B is correct because the PVID for the management VLAN is a standard configuration applied at the access switch level to tag traffic for AP management. Option C is correct because the AC (Access Controller) can act as a DHCP server specifically for APs, which is a typical configuration to ensure APs receive addresses during the CAPWAP tunnel establishment process.

Memory tip: In WLAN side-mounted deployments, think of DHCP responsibility as flexible -- the AC handles APs, but the aggregation switch, core router, or even a dedicated DHCP server can handle STAs. Any statement claiming that a particular device "cannot" provide DHCP to STAs is almost always false, since IP addressing for clients is not restricted to one device type.

Topics

#WLAN architecture#VLAN configuration#DHCP assignment#AC controller

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