350-401 Question #788: Real Exam Question with Answer & Explanation

The correct answer is C: Select the PSK under authentication key management.. Clients cannot connect to an SSID using a PSK because the PSK is not correctly selected under authentication key management settings for the WLAN.

Submitted by andres_qro· Mar 6, 2026DOMAIN_LIST_NOT_PROVIDED

Question

Refer to the exhibit. Clients report that they cannot connect to this SSID using the provided PSK. Which action will resolve this issue?

Options

AApply the correct interface to this WLAN.
BApply the changes this SSID.
CSelect the PSK under authentication key management.
DDefine the correct Radio Policy.

Explanation

Clients cannot connect to an SSID using a PSK because the PSK is not correctly selected under authentication key management settings for the WLAN.

Common mistakes.

A. An incorrect interface would prevent the WLAN from being broadcast or having connectivity, but the specific issue described is PSK authentication failure, not a general lack of connectivity.
B. Applying changes is a general step to save configurations, but it does not address the root cause of the PSK not being selected in the first place.
D. Radio Policy defines radio settings such as bands and data rates, but it does not directly control PSK authentication settings.

Concept tested. WLAN PSK authentication configuration

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

Topics

#Wireless authentication#PSK configuration#WLAN troubleshooting#Cisco WLAN Controller

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