Design high availability for controllers
4 practice questions under this official exam objective (300-425) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
Cisco 5520 WLC LAG for Redundancy and Load
Implementing Link Aggregation (LAG) on a Cisco 5520 WLC provides both increased bandwidth and interface redundancy without purchasing a second control
How to design EWC on Catalyst 9120 for branch campus with HQ 9800 backup?
This scenario tests Cisco Catalyst 9120 Embedded Wireless Controller (EWC) design for branch campuses where local guest traffic and 802.1x employee au
How Does a Single 9800-40 WLC Achieve Cable-Failure High Availability?
Cisco 9800-40 WLC high availability with a single controller relies on a Link Aggregation Group (LAG) that bundles distribution ports into an 802.3ad
How to Enable APs to Return to Primary WLC
When a primary WLC fails and APs join a secondary, they will not automatically return unless specifically configured. This page establishes that AP fa