350-401 Question #1028: Real Exam Question with Answer & Explanation

The correct answer is B: A. To allow Access Points (APs) to discover a Wireless LAN Controller (WLC) using DNS for IPv4, a standard A record is required.

Submitted by amina.ke· Mar 6, 2026Infrastructure

Question

Which DNS record type is required to allow APs to discover a WLC by using DNS on IPv4?

Options

ANS
BA
CSOA
DMX

Explanation

To allow Access Points (APs) to discover a Wireless LAN Controller (WLC) using DNS for IPv4, a standard A record is required.

Common mistakes.

A. An NS record (Name Server record) specifies the authoritative DNS servers for a domain, not an IP address for a host.
C. An SOA record (Start of Authority record) provides administrative information about a DNS zone, such as the primary name server and zone administrator.
D. An MX record (Mail Exchanger record) specifies mail servers responsible for accepting email messages on behalf of a recipient's domain, not a WLC's IP address.

Concept tested. WLC discovery via DNS A record

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

Topics

#DNS record types#WLC discovery#Wireless networking#IPv4

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