350-401 Question #804: Real Exam Question with Answer & Explanation

The correct answer is D: CISCO-CAPWAP-CONTROLLER.localdomain. For Cisco CAPWAP-based access points to discover a wireless LAN controller using DNS, an A record named 'cisco-capwap-controller.localdomain' must be configured.

Submitted by manish99· Mar 6, 2026ERROR: Official Exam Domains list not provided in prompt.

Question

Which A record type should be configured for access points to resolve the IP address of a wireless LAN controller using DNS?

Options

ACISCO.CONTROLLER.localdomain
BCISCO.CAPWAP.CONTROLLER.localdomain
CCISCO-CONTROLLER.localdomain
DCISCO-CAPWAP-CONTROLLER.localdomain

Explanation

For Cisco CAPWAP-based access points to discover a wireless LAN controller using DNS, an A record named 'cisco-capwap-controller.localdomain' must be configured.

Common mistakes.

A. The name CISCO.CONTROLLER.localdomain is not the standard or recognized A record name used by CAPWAP APs for WLC discovery via DNS.
B. While including 'CAPWAP' is correct, using dots instead of hyphens (CISCO.CAPWAP.CONTROLLER.localdomain) does not match the required naming convention for AP discovery via DNS.
C. The name CISCO-CONTROLLER.localdomain is incomplete as it omits 'CAPWAP', which is a crucial part of the standardized DNS record name for CAPWAP AP discovery.

Concept tested. AP WLC discovery DNS A record naming

Reference. https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/m_ap-registration.html

Topics

#Cisco WLC discovery#DNS A records#CAPWAP DNS#AP discovery

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