300-365 Question #12: Real Exam Question with Answer & Explanation

The correct answer is A: local authentication, local switching. FlexConnect APs deployed over high-latency WAN links must be designed for standalone mode using local authentication and local switching as the normal operating state.

Wireless Deployment

Question

An engineer must deploy FlexConnect APs to a site that typically has 300 ms latency to the WLC. Which typical operating mode must the engineer plan on for normal operations?

Options

Alocal authentication, local switching
Bcentral authentication, central switching
Ccentral authentication, local switching
Dconnected mode

Explanation

FlexConnect APs deployed over high-latency WAN links must be designed for standalone mode using local authentication and local switching as the normal operating state.

Common mistakes.

B. Central authentication and central switching both require continuous low-latency communication with the WLC for each client session, and 300ms latency would cause authentication timeouts and unacceptable user experience.
C. Central authentication still depends on real-time WLC reachability for each 802.1X or web authentication event, making it unsuitable when WAN latency reaches 300ms.
D. Connected mode describes the FlexConnect operational state when the AP has a stable low-latency link to the WLC; at 300ms latency, standalone mode - not connected mode - is the expected normal operating state.

Concept tested. FlexConnect standalone mode design for high-latency WAN

Reference. https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-8/b_FlexConnect_Deployment_Guide.html

Topics

#FlexConnect#WAN latency#local switching#local authentication

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